update model coin_change

2020-07-25 12:17:46 +08:00 · 2020-07-25 12:17:46 +08:00 · 0ebcf3d7f7
parent 0f69255422
commit 0ebcf3d7f7
1 changed files with 3 additions and 0 deletions
--- a/app/models/coin_change.rb
+++ b/app/models/coin_change.rb
@ -1,2 +1,5 @@
 class CoinChange < ApplicationRecord
+  belongs_to :to_wallet, class_name: 'Wallet'
+  belongs_to :from_wallet, class_name: 'Wallet'
+  validates :amount, presence: true
 end