Add Go snippets

snippets/go/lnurl_auth.go

@@ -0,0 +1,28 @@
+package example
+
+import (
+	"log"
+
+	"github.com/breez/breez-sdk-go/breez_sdk"
+)
+
+func LnurlAuth() {
+	// ANCHOR: lnurl-auth
+	// keyauth://domain.com/auth?key=val
+	lnurlAuthUrl := "lnurl1dp68gurn8ghj7mr0vdskc6r0wd6z7mrww4excttvdankjm3lw3skw0tvdankjm3xdvcn6vtp8q6n2dfsx5mrjwtrxdjnqvtzv56rzcnyv3jrxv3sxqmkyenrvv6kve3exv6nqdtyv43nqcmzvdsnvdrzx33rsenxx5unqc3cxgeqgntfgu"
+
+	if input, err := breez_sdk.ParseInput(lnurlAuthUrl); err != nil {
+		switch inputType := input.(type) {
+		case breez_sdk.InputTypeLnUrlAuth:
+			if result, err := sdk.LnurlAuth(inputType.Data); err != nil {
+				switch result.(type) {
+				case breez_sdk.LnUrlCallbackStatusOk:
+					log.Printf("Successfully authenticated")
+				default:
+					log.Printf("Failed to authenticate")
+				}
+			}
+		}
+	}
+	// ANCHOR_END: lnurl-auth
+}