fix #5829

app/models/spree/gateway/stripe_sca.rb

@@ -61,7 +61,7 @@ module Spree
         payment_intent_response = Stripe::PaymentIntent.retrieve(payment_intent_id,
                                                                  stripe_account: stripe_account_id)
         gateway_options[:stripe_account] = stripe_account_id
-        provider.refund(payment_intent_response.amount_received, response_code, gateway_options)
+        provider.refund(refundable_amount(payment_intent_response), response_code, gateway_options)
       end
 
       # NOTE: the name of this method is determined by Spree::Payment::Processing
@@ -79,6 +79,11 @@ module Spree
 
       private
 
+      def refundable_amount(payment_intent_response)
+        payment_intent_response.amount_received -
+          payment_intent_response.charges.data.map(&:amount_refunded).sum
+      end
+
       # In this gateway, what we call 'secret_key' is the 'login'
       def options
         options = super

spec/support/request/stripe_stubs.rb

@@ -75,7 +75,9 @@ module StripeStubs
                           amount_received: 2000,
                           status: options[:intent_status] || "requires_capture",
                           last_payment_error: nil,
-                          charges: { data: [{ id: "ch_1234", amount: 2000 }] }) }
+                          charges: {
+                            data: [{ id: "ch_1234", amount: 2000, amount_refunded: 0 }] })
+                          }
   end
 
   def payment_intent_redirect_response_mock(redirect_url)