From d32336b1b73b84682fccb08cde091543a4cb794f Mon Sep 17 00:00:00 2001
From: decanus <7621705+decanus@users.noreply.github.com>
Date: Thu, 9 Jul 2020 15:23:04 +0200
Subject: [PATCH] added protobuf

---
 specs/waku/waku-v2.md | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/specs/waku/waku-v2.md b/specs/waku/waku-v2.md
index 32dfb220..9b1ea30e 100644
--- a/specs/waku/waku-v2.md
+++ b/specs/waku/waku-v2.md
@@ -168,6 +168,35 @@ NOTE: This doesn't appear to be documented in PubSub spec, upstream?
 
 ### Historical message support
 
+```protobuf
+message Cursor {
+  bytes before = 1;
+  bytes after = 2;
+}
+
+message Query {
+  int32 from = 1;
+  int32 to = 2;
+  bytes bloom = 3;
+  int32 limit = 4;
+  repeated bytes topics = 5;
+  Cursor cursor = 6;
+}
+
+message Envelope {
+  int32 expiry = 1;
+  int32 ttl = 2;
+  bytes nonce = 3;
+  bytes topic = 4;
+  bytes data = 5;
+}
+
+message Response {
+  repeated Envelope envelopes = 1;
+  Cursor cursor = 2;
+}
+```
+
 TODO(Dean): Fill out this section with historical message API.
 
 - Add issue for this in specs repository