This is absolutely awesome. There are so many usecases for this. The one I am currently trying to solve is how to quickly fetch the history associated with an address.

I am running my own obelisk server which looks to be working, but the history command does not return anything even after letting it run for several minutes.

bci-history works great, but relies on trusting blockchain.info from what I understand.

Is my understanding correct that sx history should return a value within a couple of seconds at most, or does it parse the entire blockchain?

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Edit: to answer my own question, it looks like I was trying to query a public obelisk server since that's the default. Reading the documentation and adding service = "tcp://localhost:9091" to ~/.sx.cfg fixed things.