The protocol doesn't support fee-on transfer ERC20 tokens

Lines of code Vulnerability details Impact The withdraw function in VTVLVesting.sol contract, doesn't handle cases where the tokenAddress is a fee-on transfer ERC20 token. There are ERC20 tokens that may make certain customisations to their ERC20 contracts. One type of these tokens is deflationar...

Overflow can make a claim impossible to revoke by the admin and fully withdraw by the recipient

Lines of code Vulnerability details Impact In contract VTVLVesting.sol, the multiplication in function baseVestedAmount can overflow for big enough values of truncatedCurrentVestingDurationSecs and linearVestAmount. This means the claim could be successfully created by the admin, but could NEVER ...

createClaim can be circumvented

Lines of code Vulnerability details Impact VTVLVesting.sol has createClaim function for the admins to create claims. However, a malicious admin vector exists inside. The project gives some powerfull access to the admins for some reason as stated on the contest page. And a good intention is to emi...