Add audit for var-121

audit/var-121.md

@@ -0,0 +1,32 @@
+# Chain Variable Transaction 121
+
+## Changes
+
+This transaction changes `sc_grace_blocks` from 1 to 10.
+
+## Version threshold
+
+None
+
+## Transaction
+
+```
+[{1258445,
+  [{blockchain_txn_vars_v1_pb,[{blockchain_var_v1_pb,"sc_grace_blocks",
+                                                     "int",<<"10">>}],
+                              0,
+                              <<48,70,2,33,0,255,110,125,173,152,94,186,24,37,220,226,
+                                99,180,176,120,26,164,67,207,202,13,131,174,191,197,8,
+                                26,73,208,107,172,245,2,33,0,177,112,241,74,116,86,231,
+                                92,141,50,95,198,37,134,113,28,85,54,101,197,34,110,68,
+                                160,108,168,203,155,65,0,88,20>>,
+                              <<>>,<<>>,[],[],121,[],[],[]}]}]
+```
+
+## Acceptance block
+
+1258445
+
+## Acceptance block time
+
+Tue Mar  8 08:01:35 PM UTC 2022