lib/generators/sorcery/templates/migration/brute_force_protection.rb
class SorceryBruteForceProtection < <%= migration_class_name %>
def change
add_column :<%= model_class_name.tableize %>, :failed_logins_count, :integer, :default => 0
add_column :<%= model_class_name.tableize %>, :lock_expires_at, :datetime, :default => nil
add_column :<%= model_class_name.tableize %>, :unlock_token, :string, :default => nil
add_index :<%= model_class_name.tableize %>, :unlock_token
end
end