Add support for tax rates with Checkout Sessions

.travis.yml

@@ -33,7 +33,7 @@ cache:
 env:
   global:
     # If changing this number, please also change it in `testing/testing.go`.
-    - STRIPE_MOCK_VERSION=0.80.0
+    - STRIPE_MOCK_VERSION=0.81.0
 
 go:
   - "1.9.x"

checkout_session.go

@@ -45,6 +45,7 @@ type CheckoutSessionLineItemParams struct {
 	Images      []*string `form:"images"`
 	Name        *string   `form:"name"`
 	Quantity    *int64    `form:"quantity"`
+	TaxRates    []*string `form:"tax_rates"`
 }
 
 // CheckoutSessionPaymentIntentDataTransferDataParams is the set of parameters allowed for the
@@ -81,15 +82,17 @@ type CheckoutSessionSetupIntentDataParams struct {
 // CheckoutSessionSubscriptionDataItemsParams is the set of parameters allowed for one item on a
 // checkout session associated with a subscription.
 type CheckoutSessionSubscriptionDataItemsParams struct {
-	Plan     *string `form:"plan"`
-	Quantity *int64  `form:"quantity"`
+	Plan     *string   `form:"plan"`
+	Quantity *int64    `form:"quantity"`
+	TaxRates []*string `form:"tax_rates"`
 }
 
 // CheckoutSessionSubscriptionDataParams is the set of parameters allowed for the subscription
 // creation on a checkout session.
 type CheckoutSessionSubscriptionDataParams struct {
 	Params                `form:"*"`
 	ApplicationFeePercent *float64                                      `form:"application_fee_percent"`
+	DefaultTaxRates       []*string                                     `form:"default_tax_rates"`
 	Items                 []*CheckoutSessionSubscriptionDataItemsParams `form:"items"`
 	TrialEnd              *int64                                        `form:"trial_end"`
 	TrialFromPlan         *bool                                         `form:"trial_from_plan"`

testing/testing.go

@@ -25,7 +25,7 @@ const (
 	// added in a more recent version of stripe-mock, we can show people a
 	// better error message instead of the test suite crashing with a bunch of
 	// confusing 404 errors or the like.
-	MockMinimumVersion = "0.80.0"
+	MockMinimumVersion = "0.81.0"
 
 	// TestMerchantID is a token that can be used to represent a merchant ID in
 	// simple tests.