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Bitcoin Central

Bitcoin Central powers, a bitcoin trading platform. It is :

  • Open Source,
  • Based on Ruby on Rails,
  • Fully localizable,
  • Multi-currency.


Linux and Windows setup work well, I found the easiest to be an Ubuntu install


Linux (Debian flavors)

  • Install required packages

      $ sudo apt-get install ruby ruby-dev libssl-dev irb rubygems mysql-server libmysql++-dev build-essential git-core
  • Add gem binaries to path and re-login

      # I simply add this at the end of /etc/bash.bashrc (feel free to point out a cleaner way)


  • Install the bundler rubygem, it will easily manage and compile all the other dependencies

      $ sudo gem install bundler
  • Fork project if relevant

  • Check out sources with git

      $ git clone
  • Get into the sources directory

      $ cd bitcoin-central
  • Compile and install the required dependencies

      $ bundle
  • Log-in to MySQL console and run the following commands. If you are installing a production machine you'll obviously need to pick different credentials. Update the config/database.yml file accordingly.

      > CREATE DATABASE `bitcoin-bank_development`;
      > GRANT ALL PRIVILEGES ON `bitcoin-bank_development`.* TO 'rails'@'localhost' IDENTIFIED BY 'rails';
  • Run a couple of rake tasks (omit the RAILS_ENV option if you're setting up a development environment, Rails will grab the database configuration in the config/database.yml file under the right section (development, test, or production)

      $ rake db:migrate RAILS_ENV=production
  • Edit config/bitcoin.yml to be able to connect your instance to a bitcoin client, the config/bitcoin.yml file contents are self-explanatory, just add a production section if you're deploying on a production server.

  • You're good to go! Run the rails server

      $ rails s

Your fresh instance should now be running on http://localhost:3000/ !

Production deployment

Usually, Rails applications are deployed in production using nginx or Apache, I'll introduce the Apache option.

The capistrano tool is used to automate pretty much every deployment step. Deploying a new version is as easy as typing cap deploy in your local command prompt.

To use the cap sweetness a couple of extra steps are required :

  • You'll need to fork the project since all your deployment configuration is stored in config/deploy.rb, these configs are pulled directly from GitHub when deploying, so go for it, change them to suit your needs.
  • Set the remote machine up by typing cap deploy:setup
  • Log in to the remote machine and create the production configuration files in {APP PATH}/shared/config/*.yml, they will be used in production (you don't want your production passwords hanging around on GitHub do you ?)
  • Create the remote DB
  • Now you can run locally cap deploy:migrations, this will update the remote sources and run the migrations on the remote database
  • Now you just need to install the passenger gem on the remote server which will install an apache module
  • Create an apache virtual host and you're good to go.

You'll just need to issue a cap deploy locally for any subsequent deployment.


All are welcome, improvements, fixes and translations (the string extraction bounty has been paid).

  • The use of the Numeric#to_f method is big no-no, every single numeric that passes through the code should be typed as BigDecimal,
  • Bugfixes should include a failing test,
  • Pull requests should apply cleanly on top of master, rebase if necessary


Bitcoin-Central was, and is currently being developed with the following musical background :


AGPL License. Copyright 2010-2011 David FRANCOIS


Bitcoin Central







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