Merge pull request #1816 from helium/rg/audit-154

Add var-154 audit

audit/var-154.md

@@ -0,0 +1,38 @@
+# Chain Variable Transaction 154
+
+## Changes
+
+|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
+
+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