Files
lndhub.go/controllers/addinvoice.ctrl.go

89 lines
3.0 KiB
Go

package controllers
import (
"net/http"
"github.com/getAlby/lndhub.go/lib/responses"
"github.com/getAlby/lndhub.go/lib/service"
"github.com/getsentry/sentry-go"
"github.com/labstack/echo/v4"
)
// AddInvoiceController : Add invoice controller struct
type AddInvoiceController struct {
svc *service.LndhubService
}
func NewAddInvoiceController(svc *service.LndhubService) *AddInvoiceController {
return &AddInvoiceController{svc: svc}
}
type AddInvoiceRequestBody struct {
Amount interface{} `json:"amt"` // amount in Satoshi
Memo string `json:"memo"`
DescriptionHash string `json:"description_hash" validate:"omitempty,hexadecimal,len=64"`
}
type AddInvoiceResponseBody struct {
RHash string `json:"r_hash"`
PaymentRequest string `json:"payment_request"`
PayReq string `json:"pay_req"`
}
func (controller *AddInvoiceController) AddInvoice(c echo.Context) error {
userID := c.Get("UserID").(int64)
return AddInvoice(c, controller.svc, userID)
}
func AddInvoice(c echo.Context, svc *service.LndhubService, userID int64) error {
var body AddInvoiceRequestBody
if err := c.Bind(&body); err != nil {
c.Logger().Errorf("Failed to load addinvoice request body: %v", err)
return c.JSON(http.StatusBadRequest, responses.BadArgumentsError)
}
if err := c.Validate(&body); err != nil {
c.Logger().Errorf("Invalid addinvoice request body: %v", err)
return c.JSON(http.StatusBadRequest, responses.BadArgumentsError)
}
amount, err := svc.ParseInt(body.Amount)
if err != nil || amount < 0 {
return c.JSON(http.StatusBadRequest, responses.BadArgumentsError)
}
if svc.Config.MaxReceiveAmount > 0 {
if amount > svc.Config.MaxReceiveAmount {
c.Logger().Errorf("Max receive amount exceeded for user_id:%v (amount:%v)", userID, amount)
return c.JSON(http.StatusBadRequest, responses.BadArgumentsError)
}
}
if svc.Config.MaxAccountBalance > 0 {
currentBalance, err := svc.CurrentUserBalance(c.Request().Context(), userID)
if err != nil {
return c.JSON(http.StatusBadRequest, responses.GeneralServerError)
}
if currentBalance+amount > svc.Config.MaxAccountBalance {
c.Logger().Errorf("Max account balance exceeded for user_id:%v (balance:%v + amount:%v)", userID, currentBalance, amount)
return c.JSON(http.StatusBadRequest, responses.BadArgumentsError)
}
}
c.Logger().Infof("Adding invoice: user_id:%v memo:%s value:%v description_hash:%s", userID, body.Memo, amount, body.DescriptionHash)
invoice, err := svc.AddIncomingInvoice(c.Request().Context(), userID, amount, body.Memo, body.DescriptionHash)
if err != nil {
c.Logger().Errorf("Error creating invoice: user_id:%v error: %v", userID, err)
sentry.CaptureException(err)
return c.JSON(http.StatusBadRequest, responses.BadArgumentsError)
}
responseBody := AddInvoiceResponseBody{}
responseBody.RHash = invoice.RHash
responseBody.PaymentRequest = invoice.PaymentRequest
responseBody.PayReq = invoice.PaymentRequest
return c.JSON(http.StatusOK, &responseBody)
}