Prevent Indexers from Rug Pulling; Reward Delegators before changing Rates

[indexer_payne]

This was already proposed in another thread and here was the explanation behind why this won’t be possible, at least not in the way it’s suggested:

Close existing allocation before changing cuts

I like the purpose behind this idea, but I don’t think it would work well exactly as stated for one reason: An Indexer with no open allocations cannot serve queries. This would mean forcing an Indexer to shut down service to change delegation parameters - which is unacceptable for an Indexer providing critical services to dApps. There might be better ways to achieve the same end. For example, I can imagine that the delegation parameters could be copied at the time the allocation was created. T…

Also, same suggestion was posted here as well: https://forum.thegraph.com/t/indexers-should-have-to-payout-all-outstanding-rewards-before-they-are-allowed-to-change-fee-rates/150?u=indexer_payne