emit event at stage changes

[code423n4]

Handle

hack3r-0m

Vulnerability details

https://github.com/code-423n4/2021-08-floatcapital/blob/main/contracts/contracts/YieldManagerAave.sol#L48

emit event when amountReservedInCaseOfInsufficientAaveLiquidity changes to keep track past values since it updates state.

[JasoonS]

Thank you, that is a good tip. We are polishing our graph now and making sure all our events are sufficient.