Initial commit

db/migrate/20180403135744_add_bid_to_withdraws.rb

@@ -0,0 +1,8 @@
+# encoding: UTF-8
+# frozen_string_literal: true
+
+class AddBidToWithdraws < ActiveRecord::Migration[4.2]
+  def change
+    add_column :withdraws, :bid, :string, limit: 64
+  end
+end