public function updateAccountBalances($found_addresses, $parsed_tx, $confirmations, $block_seq, Block $block = null)
 {
     // don't process this now if pre-processing was necessary for the send notification
     if ($this->willNeedToPreprocessSendNotification($parsed_tx, $confirmations)) {
         return;
     }
     $sources = $parsed_tx['sources'] ? $parsed_tx['sources'] : [];
     $destinations = $parsed_tx['destinations'] ? $parsed_tx['destinations'] : [];
     // determine matched payment addresses
     foreach ($found_addresses['payment_addresses'] as $payment_address) {
         // Log::debug("upating account balances for payment address {$payment_address['address']}.  txid is {$parsed_tx['txid']}");
         $is_source = in_array($payment_address['address'], $sources);
         $is_destination = in_array($payment_address['address'], $destinations);
         if ($is_source) {
             // this address sent something
             $quantity = $this->buildQuantityForEventType('send', $parsed_tx, $payment_address['address']);
             AccountHandler::send($payment_address, $quantity, $parsed_tx['asset'], $parsed_tx, $confirmations);
         }
         if ($is_destination) {
             // this address received something
             //   Note that the same address might be both the sender and the receiver
             $quantity = $this->buildQuantityForEventType('receive', $parsed_tx, $payment_address['address']);
             AccountHandler::receive($payment_address, $quantity, $parsed_tx['asset'], $parsed_tx, $confirmations);
         }
     }
 }