From b943dfab86970bf616d79369ede99d32103289c8 Mon Sep 17 00:00:00 2001
From: TONresistor <240980241+TONresistor@users.noreply.github.com>
Date: Sun, 30 Aug 2026 11:44:51 +0200
Subject: [PATCH] feat(overlay): support messenger session challenge

---
 wsbridge/bridge.go        |  3 +++
 wsbridge/protocol_test.go | 11 +++++++++++
 2 files changed, 14 insertions(+)

diff --git a/wsbridge/bridge.go b/wsbridge/bridge.go
index c099023..21a4c24 100644
--- a/wsbridge/bridge.go
+++ b/wsbridge/bridge.go
@@ -54,6 +54,8 @@ type TonnetTime struct {
 
 type TonnetGetChallenge struct{}
 
+type TonnetGetSessionChallenge struct{}
+
 type TonnetChallenge struct {
 	Nonce   []byte `tl:"int256"`
 	Expires int32  `tl:"int"`
@@ -65,6 +67,7 @@ func init() {
 	tl.Register(TonnetGetTime{}, "tonnet.getTime = tonnet.Time")
 	tl.Register(TonnetTime{}, "tonnet.time now:int = tonnet.Time")
 	tl.Register(TonnetGetChallenge{}, "tonnet.getChallenge = tonnet.Challenge")
+	tl.Register(TonnetGetSessionChallenge{}, "tonnet.getSessionChallenge = tonnet.Challenge")
 	tl.Register(TonnetChallenge{}, "tonnet.challenge nonce:int256 expires:int = tonnet.Challenge")
 }
 
diff --git a/wsbridge/protocol_test.go b/wsbridge/protocol_test.go
index 4004491..ce0f18e 100644
--- a/wsbridge/protocol_test.go
+++ b/wsbridge/protocol_test.go
@@ -69,6 +69,17 @@ func TestParseBoxedTLRejectsTrailingBytes(t *testing.T) {
 	}
 }
 
+func TestParseTonnetSessionChallenge(t *testing.T) {
+	raw := []byte{0x29, 0x3e, 0x72, 0xb3}
+	obj, err := parseBoxedTL(raw)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if _, ok := obj.(TonnetGetSessionChallenge); !ok {
+		t.Fatalf("parsed %T, want TonnetGetSessionChallenge", obj)
+	}
+}
+
 func TestRawRPCPayloadRoundTrip(t *testing.T) {
 	want := []byte{1, 2, 3}
 	payload, err := parseRPCPayload(want, true)