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comment noVoteForSomeoneElse

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This commit is contained in:
Michael M
2021-11-16 18:35:09 +02:00
parent 1da0a4ae7d
commit daad23b3a7
1 changed files with 14 additions and 8 deletions
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22
certora/specs/GovernorCountingSimple.spec
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@ -147,7 +147,9 @@ rule someOtherRuleToRemoveLater(uint256 num){
} }
*/ */
/*
* Checks that only one user is updated in the system when calling cast vote functions (assuming hasVoted is changing correctly, false->true, with every vote cast)
*/
rule oneUserVotesInCast(uint256 pId, method f) filtered { f -> ((f.selector == castVote(uint256, uint8).selector) || rule oneUserVotesInCast(uint256 pId, method f) filtered { f -> ((f.selector == castVote(uint256, uint8).selector) ||
f.selector == castVoteBySig(uint256, uint8, uint8, bytes32, bytes32).selector) }{ f.selector == castVoteBySig(uint256, uint8, uint8, bytes32, bytes32).selector) }{
env e; calldataarg args; env e; calldataarg args;
@ -157,14 +159,20 @@ rule oneUserVotesInCast(uint256 pId, method f) filtered { f -> ((f.selector == c
assert(ghost_After == ghost_Before + 1, "Raised by more than 1"); assert(ghost_After == ghost_Before + 1, "Raised by more than 1");
} }
/*
* Checks that in any call to cast vote functions only the sender's value is updated
*/
/*
rule noVoteForSomeoneElse(uint256 pId, uint8 support){ rule noVoteForSomeoneElse(uint256 pId, uint8 support){
env e; env e;
uint256 voter = e.msg.sender; address voter = e.msg.sender;
bool hasVotedBefore = hasVoted(pId, voter);
require(!hasVotedBefore);
castVote(e, pId, support); castVote(e, pId, support);
bool hasVotedAfter = hasVoted(pId, voter);
assert(hasVotedBefore != hasVotedAfter => forall address user. user != voter);
} }
*/
//ok //ok
rule votingWeightMonotonicity(method f){ rule votingWeightMonotonicity(method f){
@ -219,6 +227,4 @@ rule hasVotedCorrelation(uint256 pId, method f, address acc, env e){
bool hasVotedAfter = hasVoted(e, pId, acc); bool hasVotedAfter = hasVoted(e, pId, acc);
assert hasVotedBefore != hasVotedAfter => againstBefore < againstAfter || forBefore < forAfter || abstainBefore < abstainAfter, "no correlation"; assert hasVotedBefore != hasVotedAfter => againstBefore < againstAfter || forBefore < forAfter || abstainBefore < abstainAfter, "no correlation";
} }