[13.x] Update stripe api version

src/Cashier.php

@@ -22,7 +22,7 @@ class Cashier
      *
      * @var string
      */
-    const STRIPE_VERSION = '2020-03-02';
+    const STRIPE_VERSION = '2020-08-27';
 
     /**
      * The custom currency formatter.

src/Concerns/ManagesCustomer.php

@@ -108,13 +108,16 @@ public function createOrGetStripeCustomer(array $options = [])
     /**
      * Get the Stripe customer for the model.
      *
+     * @param  array  $expand
      * @return \Stripe\Customer
      */
-    public function asStripeCustomer()
+    public function asStripeCustomer(array $expand = [])
     {
         $this->assertCustomerExists();
 
-        return StripeCustomer::retrieve($this->stripe_id, $this->stripeOptions());
+        return StripeCustomer::retrieve(
+            ['id' => $this->stripe_id, 'expand' => $expand], $this->stripeOptions()
+        );
     }
 
     /**

src/Concerns/ManagesSubscriptions.php

@@ -146,17 +146,6 @@ public function onPlan($plan)
         }));
     }
 
-    /**
-     * Get the tax percentage to apply to the subscription.
-     *
-     * @return int|float
-     * @deprecated Please migrate to the new Tax Rates API.
-     */
-    public function taxPercentage()
-    {
-        return 0;
-    }
-
     /**
      * Get the tax rates to apply to the subscription.
      *

src/Subscription.php

@@ -957,21 +957,6 @@ public function latestInvoice()
         return new Invoice($this->owner, $stripeSubscription->latest_invoice);
     }
 
-    /**
-     * Sync the tax percentage of the user to the subscription.
-     *
-     * @return void
-     * @deprecated Please migrate to the new Tax Rates API.
-     */
-    public function syncTaxPercentage()
-    {
-        $subscription = $this->asStripeSubscription();
-
-        $subscription->tax_percent = $this->user->taxPercentage();
-
-        $subscription->save();
-    }
-
     /**
      * Sync the tax rates of the user to the subscription.
      *

src/SubscriptionBuilder.php

@@ -328,8 +328,6 @@ protected function buildPayload()
 
         if ($taxRates = $this->getTaxRatesForPayload()) {
             $payload['default_tax_rates'] = $taxRates;
-        } elseif ($taxPercentage = $this->getTaxPercentageForPayload()) {
-            $payload['tax_percent'] = $taxPercentage;
         }
 
         return $payload;
@@ -351,19 +349,6 @@ protected function getTrialEndForPayload()
         }
     }
 
-    /**
-     * Get the tax percentage for the Stripe payload.
-     *
-     * @return int|float|null
-     * @deprecated Please migrate to the new Tax Rates API.
-     */
-    protected function getTaxPercentageForPayload()
-    {
-        if ($taxPercentage = $this->owner->taxPercentage()) {
-            return $taxPercentage;
-        }
-    }
-
     /**
      * Get the tax rates for the Stripe payload.
      *

tests/Feature/PaymentMethodsTest.php

@@ -91,7 +91,7 @@ public function test_we_can_set_a_default_payment_method()
     public function test_legacy_we_can_retrieve_an_old_default_source_as_a_default_payment_method()
     {
         $user = $this->createCustomer('we_can_retrieve_an_old_default_source_as_a_default_payment_method');
-        $customer = $user->createAsStripeCustomer();
+        $customer = $user->createAsStripeCustomer(['expand' => ['sources']]);
 
         $card = $customer->sources->create(['source' => 'tok_visa']);
         $customer->default_source = $card->id;