Coin CLI
A minimal cryptocurrency CLI implementation in TypeScript & Immutable.js
Demo
Connect
Mining
Payment
🎉 Features
- 💰 Wallet with public and private key.
- 💳 Make Payments between wallets.
- 🔑 Transactions are signed with the wallet's private key.
- 🔗 Blocks with index, hash, data, transactions, and timestamp.
- ⛏ Proof-of-work implementation.
- ⛓ In-memory JavaScript array to store the blockchain.
- ✅ Block & Transaction integrity validation.
- 📡 Decentralized and distributed peer-to-peer communication.
- ✨ Minimal implementation in 900 lines of code.
📦 Installation
To install this application, you'll need Node.js 7+ (which comes with npm) installed on your computer. From your command line:
Source (recommended)
You'll need Git to run the project from source. From your command line:
# Clone this repository
$ git clone https://github.com/seanjameshan/coin-cli
# Go into the repository
$ cd coin-cli
# Install dependencies
$ npm install
# Run the app
$ npm start🕹️ Usage
| Command | Alias | Description | Example |
|---|---|---|---|
| open | o | Open port to accept incoming connections. | open 5000 |
| connect | c | Connect to a new peer with host and | connect localhost 5000 |
| blockchain | bc | See the current state of the blockchain. | |
| peers | p | Get the list of connected peers. | |
| mine [address] | m | Mine a new block with rewards going to optional [address]. | mine or mine xxx... |
| transactions | tx | See unconfirmed transactions that can be mined. | |
| wallet | w | Create a new wallet with | wallet mypassword |
| key | k | Get your public key | |
| pay | p | Make payment to address with and using wallet | pay xxx... 10 5 mypassword |
| balance [address] | b | Balance of optional address | balance or balance xxx... |
| help [command...] | Provides help for a given command | help balance or help | |
| exit | Exits application. |
