docs: correct error descriptions and improve comments in payment middleware

Author: github-actions[bot]

pkg/internal/payment/errors.go

@@ -59,7 +59,7 @@ var (
 	ErrInvalidDerivationPrefix = ErrorResponse{
 		StatusCode:  http.StatusBadRequest,
 		Code:        ErrCodeInvalidPrefix,
-		Description: "The X-BSV-Payment header Derivation Prefix is not valid. Must be the same as the one provided one.",
+		Description: "The X-BSV-Payment header Derivation Prefix is not valid.",
 	}
 	ErrInvalidDerivationSuffix = ErrorResponse{
 		StatusCode:  http.StatusBadRequest,

pkg/internal/payment/middleware.go

@@ -110,7 +110,6 @@ func (m *Middleware) respondWith(w http.ResponseWriter, resp Response) {
 	err := json.NewEncoder(w).Encode(resp)
 	if err != nil {
 		m.log.Error("Error writing response body", slog.Any("response", resp), slogx.Error(err))
-		return
 	}
 }
 

pkg/middleware/payment_middleware.go

@@ -10,7 +10,7 @@ import (
 )
 
 const (
-	// HeaderPaymentPaid is the name of the header with confirmation of the payed amount.
+	// HeaderPaymentPaid is the name of the header with confirmation of the paid amount.
 	HeaderPaymentPaid = payment.HeaderSatoshisPaid
 )
 
@@ -29,7 +29,7 @@ func WithPaymentLogger(logger *slog.Logger) func(*PaymentMiddlewareConfig) {
 	}
 }
 
-// WithRequestPriceCalculator sets a custom function to calculate the price of a request in satoshis for a payment middleware.
+// WithRequestPriceCalculator sets a custom function to calculate the price of a request in satoshis for payment middleware.
 func WithRequestPriceCalculator(calculator func(r *http.Request) (int, error)) func(*PaymentMiddlewareConfig) {
 	if calculator == nil {
 		panic("calculator must be provided")