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

NPM

$ npm install ts-node -g
$ npm install coin-ts -g
$ coin

🕹️ Usage

| Command | Alias | Description | Example | |------------------------------------------|-------|---------------------------------------------------------------------------|----------------------------| | open | o | Open to accept incoming connections. | open 5000 | | connect | c | Connect to a new peer with 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 with and using wallet | pay xxx... 10 5 mypassword | | balance [address] | b | Balance of optional | balance or balance xxx... | | help [command...] | | Provides help for a given command | help balance or help | | exit | | Exits application. | |