epay_stripe (erlang_pay v0.3.2)

Stripe 网关（PaymentIntent）：创建 PaymentIntent / Refund，Webhook HMAC-SHA256 验签防重放。

Summary

cancel(Cfg, Req)

capabilities()

query(Cfg, Q)

refund(Cfg, Req)

-spec cancel(map(), map()) -> {ok, map()} | epay_gateway:err().

-spec capabilities() -> [atom()].

-spec create_payment(map(), map()) -> {ok, map()} | epay_gateway:err().

-spec create_payment_intent(map(), map()) ->
                               {ok, #{id := binary(), client_secret := binary()}} | epay_gateway:err().

-spec download_bill(map(), map()) -> {ok, map()} | epay_gateway:err().

-spec query(map(), map()) -> {ok, map()} | epay_gateway:err().

-spec refund(map(), map()) -> {ok, map()} | epay_gateway:err().

-spec verify_notify(map(), map()) -> {ok, map()} | epay_gateway:err().

-spec verify_webhook(map(), binary(), binary()) -> ok | epay_gateway:err().