SimpleBlockchain
Simple exemple Blockchain in ruby - https://github.com/matheusml/blockchain-javascript
Installation
Add this line to your application's Gemfile:
gem 'simple_blockchain'
And then execute:
$ bundle install
Or install it yourself as:
$ gem install simple_blockchain
Usage
require 'simple_blockchain'
blockchain = SimpleBlockchain::Blockchain.new
puts blockchain.addBlock({ amount: 4 })
puts blockchain.addBlock({ amount: 50 })
puts blockchain.isValid
## exemple malicious attack
puts blockchain.blocks[1].data['amount'] = 30000
puts blockchain.isValid
Development
After checking out the repo, run bin/setup
to install dependencies. You can also run bin/console
for an interactive prompt that will allow you to experiment.
To install this gem onto your local machine, run bundle exec rake install
. To release a new version, update the version number in version.rb
, and then run bundle exec rake release
, which will create a git tag for the version, push git commits and tags, and push the .gem
file to rubygems.org.
Contributing
Bug reports and pull requests are welcome on GitHub at https://github.com/davidsonts/simple_blockchain.