From 24056072566f775f044862b135c5377cd10b40d8 Mon Sep 17 00:00:00 2001
From: Rahul Garg <rg@vihu.dev>
Date: Thu, 22 Sep 2022 10:14:20 -1000
Subject: [PATCH 1/2] Add var-154 audit

---
 audit/var-154.md | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 audit/var-154.md

diff --git a/audit/var-154.md b/audit/var-154.md
new file mode 100644
index 000000000..8f80756d6
--- /dev/null
+++ b/audit/var-154.md
@@ -0,0 +1,35 @@
+# Chain Variable Transaction 154
+
+## Changes
+
+This transaction sets `security_reward_bugfix` to `true` and
+`validator_stale_heartbeat_check` to `true`.
+
+# Version threshold
+
+None
+
+## Transaction
+
+```erlang
+[{1538069,
+  [{blockchain_txn_vars_v1_pb,[{blockchain_var_v1_pb,"security_reward_bugfix",
+                                                     "atom",<<"true">>},
+                               {blockchain_var_v1_pb,"validator_stale_heartbeat_check",
+                                                     "atom",<<"true">>}],
+                              0,
+                              <<48,69,2,33,0,233,131,9,180,190,94,235,193,217,224,63,66,
+                                160,186,8,133,108,25,229,127,11,245,109,58,183,3,129,88,
+                                57,127,15,18,2,32,2,60,171,182,223,120,73,154,190,90,71,
+                                5,13,135,59,1,71,215,194,104,5,56,92,194,92,7,98,17,4,
+                                125,50,155>>,
+                              <<>>,<<>>,[],[],154,[],[],[]}]}]
+```
+
+## Acceptance block
+
+1538069
+
+## Acceptance block time
+
+Thu 22 Sep 20:05:51 UTC 2022

From 2e23b21e7cafafbc9c0aa23fa8cb82e4baf212ca Mon Sep 17 00:00:00 2001
From: Rahul Garg <rg@vihu.dev>
Date: Thu, 22 Sep 2022 10:40:40 -1000
Subject: [PATCH 2/2] Add rationale

---
 audit/var-154.md | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/audit/var-154.md b/audit/var-154.md
index 8f80756d6..cdde43b2d 100644
--- a/audit/var-154.md
+++ b/audit/var-154.md
@@ -2,8 +2,11 @@
 
 ## Changes
 
-This transaction sets `security_reward_bugfix` to `true` and
-`validator_stale_heartbeat_check` to `true`.
+|Var                             | Old      | New   | Rationale                                             |
+|--------------------------------|----------|-------|-------------------------------------------------------|
+|security_reward_bugfix          |undefined |true   | Ensure that security transfers use correct token_type |
+|validator_stale_heartbeat_check |undefined |true   | Ensure that validator heartbeats are not too old      |
+
 
 # Version threshold