Welcome to Blockchain

This project is an open-source blockchain engine based on Elixir. Use this engine to build a digital coin or smart contracts.

Getting Started

Clone the project:

git clone git@github.com:vgsantoniazzi/blockchain.git

Usage

Install dependencies

$ mix deps.get

CLI

$ mix blockchain
Commands
   balance         Get balance
   check_address   Check if address is valid
   check_block     Check if block is valid
   add_wallet      Add new wallet to local database
   add_block       Add new block to blockchain
   wallets         List addresses
   blocks          Lists the blockchain

CLI Examples

$ mix blockchain balance --address 3czs3SwkAnisqC3cUBi5XgytkA2NscG33AJ7YKhaz9scd2XY9pUqQktrXcZQ5aFa6VPCFT
$ mix blockchain check_address --address 3czzKxPGECGxsfwG1zVUBvUxxe7c7AbPoburpmFdJxQdDyeT8Ng8KSCLmk2ewmQnKVPVAy
$ mix blockchain check_block --block 0000C12AC4308926C493DBC3C93A4EBB724D6B2B480358E56E72ED394149F8CD
$ mix blockchain add_wallet
$ mix blockchain add_block --from "3czs3SwkAnisqC3cUBi5XgytkA2NscG33AJ7YKhaz9scd2XY9pUqQktrXcZQ5aFa6VPCFT" --to "3czzX9L9P8Sg1MhuZER1hekBde4bmyNwkER5FARYmVLb99Kn5efEXE65zJ5GDQ3zqZn2SX" --value 455
$ mix blockchain wallets
$ mix blockchain blocks

Initialize engine

$ iex -S mix

Initialize Blockchain

iex(1)> blockchain = Engine.initialize

Add Block to Blockchain

iex(1)> blockchain = Blockchain.add(blockchain, Block.generate(List.last(blockchain), 99))

Format code

mix format

Contributing

I Open source!

Before sending a pull request: Please, format the source code

make format

Follow github guides for forking a project

Follow github guides for contributing open source

Squash pull request into a single commit

License

blockchain-engine is released under the MIT license.