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wrapper counterexample to check

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This commit is contained in:
Aleksander Kryukov
2022-03-23 19:42:14 +00:00
parent 8318470cca
commit 5153c462d5
1 changed files with 13 additions and 1 deletions
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14
certora/specs/ERC20Wrapper.spec
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@ -12,7 +12,7 @@ methods {
// STATUS - verified
// totalsupply of wrapped should be less than or equal to underlying (assuming no transfer they should be equal) - solvency
// totalsupply of wrapped should be less than or equal to underlying (assuming no external transfer) - solvency
invariant whatAboutTotal(env e)
totalSupply(e) <= underlyingTotalSupply()
filtered { f -> f.selector != certorafallback_0().selector }
@ -29,6 +29,18 @@ invariant whatAboutTotal(env e)
}
// STATUS - in progress
// https://vaas-stg.certora.com/output/3106/a5f4943cd2987dccab94/?anonymousKey=9428fb1588845c0222c2abe5b00dedd59c925870
// totalsupply of wrapped should be less than or equal to the underlying balanceOf contract (assuming no external transfer) - solvency
invariant underTotalAndContractBalanceOfCorrelation(env e)
totalSupply(e) <= underlyingBalanceOf(currentContract)
{
preserved {
require underlying() != currentContract;
}
}
// STATUS - verified
// check correct values update by depositFor()
rule depositForSpecBasic(env e){