Initial commit

db/migrate/20180406080444_drop_withdraw_destinations.rb

@@ -0,0 +1,25 @@
+# encoding: UTF-8
+# frozen_string_literal: true
+
+class DropWithdrawDestinations < ActiveRecord::Migration[4.2]
+  class WithdrawDestination < ActiveRecord::Base
+    serialize :details, JSON
+    self.inheritance_column = :disabled
+  end
+
+  def change
+    execute('SELECT id, type, destination_id FROM withdraws').each do |fields|
+      record = WithdrawDestination.where(type: fields[1].gsub(/Withdraws::/, 'WithdrawDestination::'))
+                                  .find_by_id(fields[2])
+      rid = if record
+        fields[1].match?(/fiat/) ? record.details['bank_account_number'] : record.details['address']
+      end.presence || fields[0]
+      execute "UPDATE withdraws SET rid = #{connection.quote(rid)} WHERE id = #{connection.quote(fields[0])}"
+    end
+
+    remove_column :withdraws, :destination_id
+    drop_table :withdraw_destinations
+    change_column :withdraws, :rid, :string, limit: 64, null: false
+    remove_column :accounts, :default_withdraw_destination_id
+  end
+end