Wrong logic in function _removeFeeder() cause feeders unable to be removed.

Lines of code Vulnerability details Impact In NFTFloorPrice, there are multiple components to allow easy adding/removing keepers address public feeders - List of all keepers' address mappingaddress = FeederPositionindex, register private feederPositionMap When adding new keeper, new keeper addres...

Downcast can lead to overflow and impact the functionality to remove an asset in NFTFloorOracle

Lines of code Vulnerability details Impact When adding a new asset, the index for the last asset will be saved and downcasted on L284. If the number of assets is bigger than 256, the downcasting operation will lead to a silent overflow. Consequentially, the incorrect index will be stored. This ca...