mirror of
https://github.com/getAlby/lndhub.go.git
synced 2025-12-19 21:54:59 +01:00
92 lines
2.6 KiB
Go
92 lines
2.6 KiB
Go
package controllers
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import (
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"context"
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"fmt"
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"net/http"
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"github.com/getAlby/lndhub.go/lib/service"
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"github.com/labstack/echo/v4"
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)
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// PayInvoiceController : Pay invoice controller struct
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type PayInvoiceController struct {
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svc *service.LndhubService
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}
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func NewPayInvoiceController(svc *service.LndhubService) *PayInvoiceController {
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return &PayInvoiceController{svc: svc}
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}
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// PayInvoice : Pay invoice Controller
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func (controller *PayInvoiceController) PayInvoice(c echo.Context) error {
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userID := c.Get("UserID").(int64)
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var reqBody struct {
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Invoice string `json:"invoice" validate:"required"`
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Amount int `json:"amount" validate:"omitempty,gte=0"`
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}
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if err := c.Bind(&reqBody); err != nil {
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c.Logger().Errorf("Failed to load payinvoice request body: %v", err)
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return c.JSON(http.StatusBadRequest, echo.Map{
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"error": true,
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"code": 8,
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"message": "Bad arguments",
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})
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}
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if err := c.Validate(&reqBody); err != nil {
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c.Logger().Errorf("Invalid payinvoice request body: %v", err)
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return c.JSON(http.StatusBadRequest, echo.Map{
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"error": true,
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"code": 8,
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"message": "Bad arguments",
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})
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}
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paymentRequest := reqBody.Invoice
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decodedPaymentRequest, err := controller.svc.DecodePaymentRequest(paymentRequest)
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if err != nil {
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return c.JSON(http.StatusBadRequest, echo.Map{
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"error": true,
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"code": 8,
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"message": "Bad arguments",
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})
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}
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c.Logger().Info("%v", decodedPaymentRequest)
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invoice, err := controller.svc.AddOutgoingInvoice(userID, paymentRequest, *decodedPaymentRequest)
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if err != nil {
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c.Logger().Errorf("Error creating invoice: %v", err)
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// TODO: sentry notification
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return c.JSON(http.StatusInternalServerError, nil)
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}
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currentBalance, err := controller.svc.CurrentUserBalance(context.TODO(), userID)
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if err != nil {
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return err
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}
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if currentBalance < invoice.Amount {
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c.Logger().Errorf("User does not have enough balance invoice_id=%v user_id=%v balance=%v amount=%v", invoice.ID, userID, currentBalance, invoice.Amount)
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return c.JSON(http.StatusBadRequest, echo.Map{
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"error": true,
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"code": 2,
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"message": fmt.Sprintf("not enough balance (%v). Make sure you have at least 1%% reserved for potential fees", currentBalance),
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})
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}
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entry, err := controller.svc.PayInvoice(invoice)
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if err != nil {
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c.Logger().Errorf("Payment failed: %v", err)
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// TODO: sentry notification
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return c.JSON(http.StatusBadRequest, echo.Map{
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"error": true,
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"code": 10,
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"message": fmt.Sprintf("Payment failed. Does the receiver have enough inbound capacity? (%v)", err),
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})
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}
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return c.JSON(http.StatusOK, &entry)
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}
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