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Formal verification of AccessManager (#4611)

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Co-authored-by: Ernesto García <ernestognw@gmail.com>
Co-authored-by: Francisco Giordano <fg@frang.io>
This commit is contained in:
Hadrien Croubois
2023-10-04 21:17:15 +02:00
committed by GitHub
parent 39400b78ba
commit aca4030e4a
12 changed files with 1177 additions and 5 deletions
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5
certora/specs/helpers/helpers.spec
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@ -1,7 +1,12 @@
// environment
definition nonpayable(env e) returns bool = e.msg.value == 0;
definition nonzerosender(env e) returns bool = e.msg.sender != 0;
definition sanity(env e) returns bool = clock(e) > 0 && clock(e) <= max_uint48;
// math
definition min(mathint a, mathint b) returns mathint = a < b ? a : b;
definition max(mathint a, mathint b) returns mathint = a > b ? a : b;
// time
definition clock(env e) returns mathint = to_mathint(e.block.timestamp);
definition isSetAndPast(env e, uint48 timepoint) returns bool = timepoint != 0 && to_mathint(timepoint) <= clock(e);