Cupel puts vault promises through the EVM

Field notes

Cupel compares a vault’s maxWithdraw quote with an attempted withdrawal of that exact amount, using eth_call against the vault’s own bytecode and storage at the chain head. Its published sweep covers 49 vaults, of which 43 were measurable; 11 returned zero for the scanned largest holder and four reverted on the amount they had quoted. The page also distinguishes safe understatement from the more serious case where a displayed exit cannot be executed.