Blockchain CLI JS

Blockchain node that's fully controllable via CLI.

Following this Udemy course I set out to further develop this into an actual workable and safe blockchain node/system.

The methodology is based on Bitcoins, but it's still in active development and should not be used in production.

There's no unit tests, but the code is entirely linted following the AirBNB JavaScript style guide.

Installation

$ cd blockchain
$ yarn

Running the app

To run the CLI (master node)

$ node dev/node.js

To run some nodes for your own local network

$ npm run dev-network

Available CLI methods

Explore

• View blockchain
• View last block
• View pending transactions

Operations

• Mine
• Connect to a network
• Consensus
• Create transaction

Info

• Node address
• Network nodes

HTTP API methods

• Create transaction
• Join network

Todo

• Shouldn't be able to mine block without pending transactions
• Validate currency
• Increased difficulty/reward after X transactions
• Implement transaction feels
• Implement the HashCash POW algorithm
• Lots more!