Malicious user can DOS lock by falsely reaching maxNumberOfKeys using shareKey

Handle kenzo Vulnerability details A malicious user can call shareKey repeatedly, transferring miniscule amounts of his key to different accounts, thereby minting new keys until maxNumberOfKeys is reached. Impact Malicious user can grief and make lock purchasing become disabled. Proof of Concept ...

Missing maxNumberOfKeys checks in shareKey and grantKey

Handle kenzo Vulnerability details More keys can be minted than maxNumberOfKeys since shareKey and grantKey do not check if the lock is sold out. Impact More keys can be minted than intended. Proof of Concept In both shareKey and grantKey, if minting a new token, a new token is simply minted and...