function rebuildCache() in MixinOperatorResolver does not delete removed operators from operatorCache

This issue has been created to upgrade a QA report submission to a medium severity finding. From pauliax: function rebuildCache in MixinOperatorResolver does not delete removed operators from operatorCache. resolverOperatorsRequired return current active operators, so it will not contain removed...

NestedFactory does not track operators properly

Lines of code Vulnerability details NestedFactory extends the MixinOperatorResolver contract which comes from the synthetix/MixinResolver.sol code base where the expectation is that isResolverCached returns false until rebuildCache is called and the cache is fully up to date. Due to a medium issu...