* Event support for `contribution_and_prrof`
* event test
* fix panic in tests
* fix
* Revert "Auxiliary commit to revert individual files from dc8d01a15f0056c1fb48733219feab6461f71695"
This reverts commit f5f198564079781f80e1a045cefad7c27f89af25.
* remove receiver
* revive test
* move sending events to sync package
* remove receiver
* remove notification test
* build file
* notifier tests
* revert removal of exit event in API
* simplify exit test
* send notification in contribution API method
* test fix
Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>
Co-authored-by: terence tsao <terence@prysmaticlabs.com>
