This commit is contained in:
Shelly Grossman
2021-09-26 01:39:27 +03:00
parent f239fa56dd
commit fdc4b0cf23

View File

@ -2,6 +2,7 @@
methods {
proposalSnapshot(uint256) returns uint256 envfree // matches proposalVoteStart
}
ghost proposalVoteStart(uint256) returns uint64 {
init_state axiom forall uint256 pId. proposalVoteStart(pId) == 0;
}
@ -15,27 +16,27 @@ ghost proposalCanceled(uint256) returns bool {
init_state axiom forall uint256 pId. !proposalCanceled(pId);
}
hook Sstore _proposals[KEY uint256 pId].(offset 0).(offset 0) uint64 newValue STORAGE {
hook Sstore _proposals[KEY uint256 pId] uint64 newValue STORAGE {
havoc proposalVoteStart assuming (
proposalVoteStart@new(pId) == newValue
proposalVoteStart@new(pId) == newValue & (max_uint64-1)
&& (forall uint256 pId2. pId != pId2 => proposalVoteStart@new(pId2) == proposalVoteStart@old(pId2))
);
}
hook Sload uint64 value _proposals[KEY uint256 pId].(offset 0).(offset 0) STORAGE {
require proposalVoteStart(pId) == value;
hook Sload uint64 value _proposals[KEY uint256 pId] STORAGE {
require proposalVoteStart(pId) == value & (max_uint64-1);
}
hook Sstore _proposals[KEY uint256 pId].(offset 32).(offset 0) uint64 newValue STORAGE {
havoc proposalVoteEnd assuming (
proposalVoteEnd@new(pId) == newValue
proposalVoteEnd@new(pId) == newValue & (max_uint64-1)
&& (forall uint256 pId2. pId != pId2 => proposalVoteEnd@new(pId2) == proposalVoteEnd@old(pId2))
);
}
hook Sload uint64 value _proposals[KEY uint256 pId].(offset 32).(offset 0) STORAGE {
require proposalVoteEnd(pId) == value;
require proposalVoteEnd(pId) == value & (max_uint64-1);
}
rule sanityCheckVoteStart(method f, uint256 pId) {