Merge pull request #22 from bumi/lnurl-logging

Better error logging for the LNURL endpoint

Author: bumi

lnme.go

@@ -144,7 +144,7 @@ func main() {
 	})
 
 	if !cfg.Bool("disable-ln-address") {
-		e.GET("/.well-known/lnurlp/:name", func(c echo.Context) error {
+		lnurlHandler := func(c echo.Context) error {
 			name := c.Param("name")
 			lightningAddress := name + "@" + c.Request().Host
 			lnurlMetadata := "[[\"text/identifier\", \"" + lightningAddress + "\"], [\"text/plain\", \"Sats for " + lightningAddress + "\"]]"
@@ -164,11 +164,16 @@ func main() {
 				stdOutLogger.Printf("New LightningAddress request amount: %s", amount)
 				msats, err := strconv.ParseInt(amount, 10, 64)
 				if err != nil || msats < 1000 {
+					stdOutLogger.Printf("Invalid amount: %s", amount)
 					return c.JSON(http.StatusOK, lnurl.LNURLErrorResponse{Status: "ERROR", Reason: "Invalid Amount"})
 				}
 				sats := msats / 1000 // we need sats
 				metadataHash := sha256.Sum256([]byte(lnurlMetadata))
 				invoice, err := lnClient.AddInvoice(sats, lightningAddress, metadataHash[:])
+				if err != nil {
+					stdOutLogger.Printf("Error creating invoice: %s", err)
+					return c.JSON(http.StatusOK, lnurl.LNURLErrorResponse{Status: "ERROR", Reason: "Server Error"})
+				}
 				lnurlPayResponse2 := lnurl.LNURLPayResponse2{
 					LNURLResponse: lnurl.LNURLResponse{Status: "OK"},
 					PR:            invoice.PaymentRequest,
@@ -178,7 +183,9 @@ func main() {
 				}
 				return c.JSON(http.StatusOK, lnurlPayResponse2)
 			}
-		})
+		}
+		e.GET("/.well-known/lnurlp/:name", lnurlHandler)
+		e.GET("/lnurlp/:name", lnurlHandler)
 	}
 
 	// Debug test endpoint