Initial commit

db/migrate/20180425152420_convert_to_legacy_bitcoin_cash_addresses.rb

@@ -0,0 +1,22 @@
+# encoding: UTF-8
+# frozen_string_literal: true
+
+class ConvertToLegacyBitcoinCashAddresses < ActiveRecord::Migration[4.2]
+  def change
+    return unless defined?(PaymentAddress)
+    return unless defined?(Currency)
+    return unless table_exists?(:payment_addresses)
+    return unless column_exists?(:payment_addresses, :address)
+    return unless column_exists?(:payment_addresses, :currency_id)
+    return unless column_exists?(:currencies, :id)
+    return unless column_exists?(:currencies, :code)
+
+    Currency.find_by_id(:bch).tap do |ccy|
+      break unless ccy
+      PaymentAddress.where(currency: ccy).find_each do |pa|
+        next if pa.address.blank?
+        pa.update_columns(address: CashAddr::Converter.to_legacy_address(pa.address))
+      end
+    end
+  end
+end