From 0a10fcc109940e0e15f4755248da30ce2742de08 Mon Sep 17 00:00:00 2001
From: ekzyis <ekzyis@ekzy.is>
Date: Fri, 27 Dec 2024 01:15:36 +0100
Subject: [PATCH] Add LNURL metadata

---
 lnurl/lnurl.go | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/lnurl/lnurl.go b/lnurl/lnurl.go
index bbdfc4a..800d177 100644
--- a/lnurl/lnurl.go
+++ b/lnurl/lnurl.go
@@ -38,7 +38,7 @@ func payRequest(c echo.Context) error {
 			"callback":       callback,
 			"minSendable":    MIN_SENDABLE_AMOUNT,
 			"maxSendable":    MAX_SENDABLE_AMOUNT,
-			"metadata":       fmt.Sprintf("[[\"text/plain\",\"paying %s\"]]", name),
+			"metadata":       lnurlMetadata(c),
 			"tag":            "payRequest",
 			"commentAllowed": MAX_COMMENT_LENGTH,
 		},
@@ -78,6 +78,14 @@ func pay(ln lightning.Lightning) echo.HandlerFunc {
 	}
 }
 
+func lnurlMetadata(c echo.Context) string {
+	s := "["
+	s += fmt.Sprintf("[\"text/plain\",\"Paying %s@%s\"]", c.Param("name"), c.Request().Host)
+	s += fmt.Sprintf(",[\"text/identifier\",\"%s@%s\"]", c.Param("name"), c.Request().Host)
+	s += "]"
+	return s
+}
+
 func lnurlError(c echo.Context, code int, err error) error {
 	return c.JSON(code, map[string]any{"status": "ERROR", "error": err.Error()})
 }