[Spike] rethink our backend infra about unchained HOT 4 OPEN

Below is a summary of the current chains we support and options for obtaining that data.

It is important to highlight that NowNodes is incredibly eager to work with us and would probably be willing to add support for the missing EVMs that have nodes for, but no explorer or WSS support. This would potentially mean we could rely on one provider for everything with the exception of thorchain that we could host ourselves for the time being.

NowNodes has additional chains that we have also deprecated in the past due to the inability to justify the expense (osmo for example).

Not only would this unlock ~25,000 / a month in cost savings it also means that new chains could be added with a much smaller lift in the future

from unchained.

Worth cost evals on 1inch, infura, and (sigh) the graph

from unchained.

Open Questions:

• do we require WSS connections directly to blockbooks
• what is the value of transaction history vs what is the cost of supporting this (cc @woodenfurniture )
  • we need to determine what the cost will actually be.

from unchained.