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Missing spec #19

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zapaz opened this issue Sep 28, 2023 · 0 comments
Open

Missing spec #19

zapaz opened this issue Sep 28, 2023 · 0 comments

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@zapaz
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zapaz commented Sep 28, 2023 •
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Missing specs ensures that we can have more than one voter
Buggy contract enforce only one voter, the cheater that can vote for himself
Existing oneCanVote did not catch this bug

Missing spec : #18

A run of the new BordaMissingRule.spec on the original Borda.sol that is verified
https://prover.certora.com/output/88083/ee33b030b2f346968a6e75a7ebd389bc/?anonymousKey=832264b21688ea4c31b2c6bcd26e20011b251bb4

A run of Borda.spec on BordaNewBug.sol showing the existing spec misses the bug
https://prover.certora.com/output/88083/1d302e93e9ea43ba8fe8366f86984e71/?anonymousKey=ce8882019f6167ff1ff0243fcd6708ca9654e889

A run of BordaMissingRule.spec on BordaNewBug.sol showing your rule catches the bug
https://prover.certora.com/output/88083/6ee308b0f0c14987aaf5c215e10874e2/?anonymousKey=0f97fbf396b84bd42090d0ad47b2144c341c1d80
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@zapaz