Check for valid callback source address

internal/service/yookassa/config/yookassa.go

@@ -7,6 +7,8 @@ type YooKassa struct {
 	Timeout time.Duration
 	Test    bool
 
+	AllowedCallbackSubnets []string
+
 	ApiBaseKey       string
 	ApiBaseSecret    string
 	ApiPaymentKey    string

internal/service/yookassa/module.go

@@ -8,6 +8,7 @@ import (
 	"payouts/internal/config"
 	"payouts/internal/models"
 	"payouts/internal/service/database/orm"
+	yookassaConf "payouts/internal/service/yookassa/config"
 )
 
 var Module = fx.Options(
@@ -27,6 +28,7 @@ func WithContext(ctx context.Context) Optional {
 
 type Service interface {
 	CreatePayout(models.PayoutReq, *orm.User, ...Optional)
+	GetConfig() yookassaConf.YooKassa
 }
 
 type Param struct {

internal/service/yookassa/yookassa_service.go

@@ -65,3 +65,8 @@ func (y *yookassaService) CreatePayout(req models.PayoutReq, userSession *orm.Us
 
 	y.payClient.PayoutsPost(params.ctx, &gen.PayoutRequest{}, gen.PayoutsPostParams{})
 }
+
+// GetConfig implements [Service].
+func (y *yookassaService) GetConfig() config.YooKassa {
+	return y.conf
+}