From 63352e46a880985efbdfab2e539d0f4975960b94 Mon Sep 17 00:00:00 2001
From: Marcos Magueta <maguetamarcos@gmail.com>
Date: Sat, 26 Sep 2026 22:29:45 -0300
Subject: add session object and protocol with pinning

---
 lib/protocols/Session.mli | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 lib/protocols/Session.mli

(limited to 'lib/protocols/Session.mli')

diff --git a/lib/protocols/Session.mli b/lib/protocols/Session.mli
new file mode 100644
index 0000000..141c250
--- /dev/null
+++ b/lib/protocols/Session.mli
@@ -0,0 +1,13 @@
+type state = {branch: string; snapshot: Concepts.Hash.hash}
+type t
+
+class type implementation = object
+  method state : state
+  method pin : state -> unit
+end
+
+val make : #implementation -> Handle.protocol
+val from : Handle.t -> t Handle.interface option
+val require : Handle.t -> (t Handle.interface, Concepts.Condition.condition) result
+val state : t Handle.interface -> state
+val pin : t Handle.interface -> state -> unit
-- 
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