UniswapHelper.buyFlanAndBurn is a subject to sandwich attacks

Handle hyh Vulnerability details Impact Trades can happen at a manipulated price and end up receiving fewer Flan to be bought than current market price dictates. For example, at the time a user decides to call buyFlanAndBurn Flan trades at 0.8 in the input token terms at the corresponding DEX poo...

WrappedIbbtcEth contract will use stalled price for mint/burn if updatePricePerShare wasn't run properly

Handle hyh Vulnerability details Impact Malicious user can monitor SetPricePerShare event and, if it was run long enough time ago and market moved, but, since there were no SetPricePerShare fired, the contract's pricePerShare is outdated, so a user can mint with pricePerShare that is current for...