Fix issue with charge.succeeded triggering error on recurring contributions

CRM/Core/Payment/StripeIPN.php

@@ -238,7 +238,7 @@ class CRM_Core_Payment_StripeIPN extends CRM_Core_Payment_BaseIPN {
           $params = [
             'id' => $this->contribution['id'],
             'trxn_date' => $this->receive_date,
-            'contribution_trxn_id' => $this->charge_id,
+            'contribution_trxn_id' => $this->invoice_id ?: $this->charge_id,
             'payment_trxn_id' => $this->charge_id,
             'total_amount' => $this->amount,
             'fee_amount' => $this->fee,

CRM/Stripe/Api.php

@@ -34,6 +34,9 @@ class CRM_Stripe_Api {
           case 'receive_date':
             return self::formatDate($stripeObject->created);
 
+          case 'invoice_id':
+            return (string) $stripeObject->invoice;
+
         }
         break;