Initial commit

db/migrate/20201206205429_change_currency_price.rb

@@ -0,0 +1,12 @@
+class ChangeCurrencyPrice < ActiveRecord::Migration[5.2]
+  def up
+    Currency.find_each do |c|
+      c.update(price: 1) if c.price.blank?
+    end
+    change_column :currencies, :price, :decimal, precision: 32, scale: 16, null: false, default: 1.0
+  end
+
+  def down
+    change_column :currencies, :price, :decimal, precision: 32, scale: 16
+  end
+end