yortz

.....
 # create a transaction which records the details of the notification
    object.txns.create(:transaction_id => ipn.transaction_id,
                       :amount => ipn.gross,
                       :fee => ipn.fee,
                       :currency_type => ipn.currency,
                       :status => ipn.status,
                       :received_at => ipn.received_at)
 # if ipn.acknowledge
    ack = nil