From 8b0f7d19e59876f18a43794444f0abeb7af93d0f Mon Sep 17 00:00:00 2001
From: anon <109770337+lnproxy@users.noreply.github.com>
Date: Fri, 23 Jun 2023 11:13:58 -0400
Subject: [PATCH] Allow invoices with flag 151 (electrum's optional trampoline
 routing)

---
 lnproxy.go | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/lnproxy.go b/lnproxy.go
index 435f3e2..d73792f 100644
--- a/lnproxy.go
+++ b/lnproxy.go
@@ -85,14 +85,15 @@ func (ms *MaybeString) UnmarshalJSON(data []byte) error {
 }
 
 func Wrap(r RelayParameters, x ProxyParameters, p DecodedInvoice) (*InvoiceParameters, uint64, error) {
-	for flag, feature := range p.Features {
+	for flag, _ := range p.Features {
 		switch flag {
-		case "8", "9", "14", "15", "16", "17", "25", "48", "49", "149":
+		case "8", "9", "14", "15", "16", "17", "25", "48", "49", "149", "151":
 			// 25 is route blinding
 			// 48/49 is payment metadata
 			// 148/149 is trampoline routing
+			// 150/151 is electrum's trampoline
 		default:
-			log.Printf("unhandled feature flag: %s\n\t%v\n", flag, feature)
+			log.Printf("unhandled feature flag: %s\n", x.Invoice)
 			return nil, 0, fmt.Errorf("unknown feature flag: %s", flag)
 		}
 	}