mastodon/db/migrate/20170127165745_add_devise_two_factor_to_users.rb

class AddDeviseTwoFactorToUsers < ActiveRecord::Migration[5.0]
  def change
    add_column :users, :encrypted_otp_secret, :string
    add_column :users, :encrypted_otp_secret_iv, :string
    add_column :users, :encrypted_otp_secret_salt, :string
    add_column :users, :consumed_timestep, :integer
    add_column :users, :otp_required_for_login, :boolean
  end
end