payments

boundary.payments.schema                        — Malli schemas: CheckoutRequest, CheckoutResult,
                                                  PaymentStatusResult, WebhookResult
boundary.payments.ports                         — IPaymentProvider protocol: create-checkout-session,
                                                  get-payment-status, process-webhook, verify-webhook-signature
boundary.payments.core.provider                 — Pure helpers: cents->euro, event-type mapping,
                                                  status mapping (Mollie/Stripe)
boundary.payments.shell.adapters.stripe         — StripePaymentProvider (Checkout Sessions, HMAC webhooks)
boundary.payments.shell.adapters.mollie         — MolliePaymentProvider (Mollie API v2, fetch-back verification)
boundary.payments.shell.adapters.mock           — MockPaymentProvider (auto-approve, no external calls)
boundary.payments.shell.module-wiring           — Integrant :boundary/payment-provider component

;; Mock (development — default)
:boundary/payment-provider
{:provider :mock}

;; Stripe
:boundary/payment-provider
{:provider       :stripe
 :api-key        #env STRIPE_SECRET_KEY
 :webhook-secret #env STRIPE_WEBHOOK_SECRET}

;; Mollie
:boundary/payment-provider
{:provider         :mollie
 :api-key          #env MOLLIE_API_KEY
 :webhook-base-url #env APP_BASE_URL}

(require '[boundary.payments.ports :as payments])

;; Create checkout session
(payments/create-checkout-session provider
  {:amount-cents 4900
   :currency     "EUR"
   :description  "Monthly subscription"
   :redirect-url "https://app.example.com/return"})
;; => {:checkout-url "https://..." :provider-checkout-id "cs_..."}

;; Check payment status
(payments/get-payment-status provider "cs_abc123")
;; => {:status :paid :provider-payment-id "pi_..."}

;; Verify and process webhook
(when (payments/verify-webhook-signature provider raw-body headers)
  (payments/process-webhook provider raw-body headers))
;; => {:event-type :payment.paid :provider-payment-id "pi_..."
;;     :provider-checkout-id "cs_..." :payload {...}}

clojure -M:test:db/h2 :payments