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fixes

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This commit is contained in:
Shelly Grossman
2021-09-26 01:43:16 +03:00
parent fdc4b0cf23
commit 4c1d5e01c6
1 changed files with 6 additions and 4 deletions
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10
certora/specs/GovernorBase.spec
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@ -16,27 +16,29 @@ ghost proposalCanceled(uint256) returns bool {
init_state axiom forall uint256 pId. !proposalCanceled(pId); init_state axiom forall uint256 pId. !proposalCanceled(pId);
} }
definition mask_uint64() returns uint256 = max_uint64 - 1;
hook Sstore _proposals[KEY uint256 pId] uint64 newValue STORAGE { hook Sstore _proposals[KEY uint256 pId] uint64 newValue STORAGE {
havoc proposalVoteStart assuming ( havoc proposalVoteStart assuming (
proposalVoteStart@new(pId) == newValue & (max_uint64-1) proposalVoteStart@new(pId) == newValue & mask_uint64()
&& (forall uint256 pId2. pId != pId2 => proposalVoteStart@new(pId2) == proposalVoteStart@old(pId2)) && (forall uint256 pId2. pId != pId2 => proposalVoteStart@new(pId2) == proposalVoteStart@old(pId2))
); );
} }
hook Sload uint64 value _proposals[KEY uint256 pId] STORAGE { hook Sload uint64 value _proposals[KEY uint256 pId] STORAGE {
require proposalVoteStart(pId) == value & (max_uint64-1); require proposalVoteStart(pId) == value & mask_uint64();
} }
hook Sstore _proposals[KEY uint256 pId].(offset 32).(offset 0) uint64 newValue STORAGE { hook Sstore _proposals[KEY uint256 pId].(offset 32).(offset 0) uint64 newValue STORAGE {
havoc proposalVoteEnd assuming ( havoc proposalVoteEnd assuming (
proposalVoteEnd@new(pId) == newValue & (max_uint64-1) proposalVoteEnd@new(pId) == newValue & mask_uint64()
&& (forall uint256 pId2. pId != pId2 => proposalVoteEnd@new(pId2) == proposalVoteEnd@old(pId2)) && (forall uint256 pId2. pId != pId2 => proposalVoteEnd@new(pId2) == proposalVoteEnd@old(pId2))
); );
} }
hook Sload uint64 value _proposals[KEY uint256 pId].(offset 32).(offset 0) STORAGE { hook Sload uint64 value _proposals[KEY uint256 pId].(offset 32).(offset 0) STORAGE {
require proposalVoteEnd(pId) == value & (max_uint64-1); require proposalVoteEnd(pId) == value & mask_uint64();
} }
rule sanityCheckVoteStart(method f, uint256 pId) { rule sanityCheckVoteStart(method f, uint256 pId) {