Initial commit

db/migrate/20180227163417_good_currency_foreign_key.rb

@@ -0,0 +1,12 @@
+# encoding: UTF-8
+# frozen_string_literal: true
+
+class GoodCurrencyForeignKey < ActiveRecord::Migration[4.2]
+  def change
+    %i[ account_versions accounts deposits fund_sources payment_addresses payment_transactions proofs withdraws ].each do |t|
+      remove_index t, :currency if index_exists?(t, :currency)
+      rename_column t, :currency, :currency_id
+      add_index t, :currency_id
+    end
+  end
+end