Create an endpoint to return the blocks of missing skyway events for validators. This is used by pigeons to know which particular blocks they should query for events.
Testing completed
[x] test coverage exists or has been added/updated
[x] tested in a private testnet
Breaking changes
[x] I have checked my code for breaking changes
[x] If there are breaking changes, there is a supporting migration.
Related Github tickets
Background
Create an endpoint to return the blocks of missing skyway events for validators. This is used by pigeons to know which particular blocks they should query for events.
Testing completed
Breaking changes