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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| package controllers | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "net/http" | ||
|
|
||
| "github.com/getAlby/lndhub.go/lib" | ||
| "github.com/getAlby/lndhub.go/lib/responses" | ||
| "github.com/getAlby/lndhub.go/lib/service" | ||
| "github.com/getAlby/lndhub.go/lnd" | ||
| "github.com/getsentry/sentry-go" | ||
| "github.com/labstack/echo/v4" | ||
| "github.com/lightningnetwork/lnd/lnrpc" | ||
| ) | ||
|
|
||
| // KeySendController : Key send controller struct | ||
| type KeySendController struct { | ||
| svc *service.LndhubService | ||
| } | ||
|
|
||
| func NewKeySendController(svc *service.LndhubService) *KeySendController { | ||
| return &KeySendController{svc: svc} | ||
| } | ||
|
|
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| type KeySendRequestBody struct { | ||
| Amount int64 `json:"amount" validate:"required"` | ||
| Destination string `json:"destination" validate:"required"` | ||
| Memo string `json:"memo" validate:"omitempty"` | ||
| } | ||
|
|
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| type KeySendResponseBody struct { | ||
| RHash *lib.JavaScriptBuffer `json:"payment_hash,omitempty"` | ||
| Amount int64 `json:"num_satoshis,omitempty"` | ||
| Description string `json:"description,omitempty"` | ||
| Destination string `json:"destination,omitempty"` | ||
| DescriptionHashStr string `json:"description_hash,omitempty"` | ||
| PaymentError string `json:"payment_error,omitempty"` | ||
| PaymentPreimage *lib.JavaScriptBuffer `json:"payment_preimage,omitempty"` | ||
| PaymentRoute *service.Route `json:"route,omitempty"` | ||
| } | ||
|
|
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| // KeySend : Key send Controller | ||
| func (controller *KeySendController) KeySend(c echo.Context) error { | ||
| userID := c.Get("UserID").(int64) | ||
| reqBody := KeySendRequestBody{} | ||
| if err := c.Bind(&reqBody); err != nil { | ||
| c.Logger().Errorf("Failed to load keysend request body: %v", err) | ||
| return c.JSON(http.StatusBadRequest, responses.BadArgumentsError) | ||
| } | ||
|
|
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| if err := c.Validate(&reqBody); err != nil { | ||
| c.Logger().Errorf("Invalid keysend request body: %v", err) | ||
| return c.JSON(http.StatusBadRequest, responses.BadArgumentsError) | ||
| } | ||
|
|
||
| lnPayReq := &lnd.LNPayReq{ | ||
| PayReq: &lnrpc.PayReq{ | ||
| Destination: reqBody.Destination, | ||
| NumSatoshis: reqBody.Amount, | ||
| Description: reqBody.Memo, | ||
| }, | ||
| Keysend: true, | ||
| } | ||
|
|
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| invoice, err := controller.svc.AddOutgoingInvoice(c.Request().Context(), userID, "", lnPayReq) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| currentBalance, err := controller.svc.CurrentUserBalance(c.Request().Context(), userID) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| if currentBalance < invoice.Amount { | ||
| 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) | ||
| return c.JSON(http.StatusBadRequest, responses.NotEnoughBalanceError) | ||
| } | ||
|
|
||
| sendPaymentResponse, err := controller.svc.PayInvoice(c.Request().Context(), invoice) | ||
| if err != nil { | ||
| c.Logger().Errorf("Payment failed: %v", err) | ||
| sentry.CaptureException(err) | ||
| return c.JSON(http.StatusBadRequest, echo.Map{ | ||
| "error": true, | ||
| "code": 10, | ||
| "message": fmt.Sprintf("Payment failed. Does the receiver have enough inbound capacity? (%v)", err), | ||
| }) | ||
| } | ||
|
|
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| responseBody := &KeySendResponseBody{} | ||
| responseBody.RHash = &lib.JavaScriptBuffer{Data: sendPaymentResponse.PaymentHash} | ||
| responseBody.Amount = invoice.Amount | ||
| responseBody.Destination = invoice.DestinationPubkeyHex | ||
| responseBody.Description = invoice.Memo | ||
| responseBody.DescriptionHashStr = invoice.DescriptionHash | ||
| responseBody.PaymentError = sendPaymentResponse.PaymentError | ||
| responseBody.PaymentPreimage = &lib.JavaScriptBuffer{Data: sendPaymentResponse.PaymentPreimage} | ||
| responseBody.PaymentRoute = sendPaymentResponse.PaymentRoute | ||
|
|
||
| return c.JSON(http.StatusOK, responseBody) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| alter table invoices add column keysend boolean; |
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