Core Contracts

Summary

Inside the burn function of Rtoken contract , `amount` is scaled to

but when is comes to burning the scaled amount function ends up burning the amount passed as argument resulting in invalid amounts to be burned.

Impact

As there is an ivalid amount burning resulting in daviations from the actual calculation and amount to be burned resulting in losses of funds situation is base upon index .

Example
-> if liquidity index is higher then token amount that would be burned should be greater than the amount and vice versa both parties can face loss in this situation

Recommendations

revise the burn statement and replace the amount parameter to amountScaled