Malicious user can get infinite free trial by repeatedly refund and repurchase right before the freeTrial ends

Handle WatchPug Vulnerability details The current design/implementation allows users who are refunded before to get another freeTrial. This can be exploited by malicious users to get an infinite free trial. PoC Given: keyPrice is 1 ETH; freeTrialLength is 31 days. A malicious user can: 1. Call...

Wrong design/implementation of freeTrial allows attacker to steal funds from the protocol

Handle WatchPug Vulnerability details The current design/implementation of freeTrial allows users to get full refund before the freeTrial ends. Plus, a user can transfer partial of thier time to another user using shareKey. This makes it possible for the attacker to steal from the protocol by...