add wallet address to user

app/models/user.rb

@@ -12,6 +12,7 @@
 #  remember_created_at    :datetime
 #  reset_password_sent_at :datetime
 #  reset_password_token   :string
+#  wallet_address         :string
 #  created_at             :datetime         not null
 #  updated_at             :datetime         not null
 #
@@ -34,10 +35,6 @@ class User < ApplicationRecord
   validates :first_name, :last_name, :email, presence: true
   validates :email, uniqueness: true
 
-  def full_name
-    "#{first_name} #{last_name}"
-  end
-
   after_create do
     create_balances
   end