From 5c36361b04ea28bf18ac618891cd95930366decc Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Thu, 28 Jan 2021 22:28:22 +0100
Subject: document suggestion to use timeflakes (#6716)

---
 core/api-merchant.rst | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/core/api-merchant.rst b/core/api-merchant.rst
index 25f7c154..a9c9d92e 100644
--- a/core/api-merchant.rst
+++ b/core/api-merchant.rst
@@ -1334,6 +1334,8 @@ Reserving inventory
     interface LockRequest {
 
       // UUID that identifies the frontend performing the lock
+      // It is suggested that clients use a timeflake for this,
+      // see https://github.com/anthonynsimon/timeflake
       lock_uuid: UUID;
 
       // How long does the frontend intend to hold the lock
@@ -1344,6 +1346,12 @@ Reserving inventory
 
     }
 
+  .. note::
+
+    The GNUNET_CRYPTO_random_timeflake() C API can be used
+    to generate such timeflakes for clients written in C.
+
+
 Removing products from inventory
 --------------------------------
 
-- 
cgit v1.2.3