I tried to do something similar to get delegation info of any account.
https://steemit.com/steem/@culgin/finding-out-who-delegated-to-me-with-python-is-there-an-easier-way
You will find that it takes a long time to generate delegation info.
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yes, that is similar to my current implementation where I brutally search the entire account transactions of the past .
I think that's necessary. I checked with @justyy, who runs the following site, https://helloacm.com/tools/steemit/delegatees/
They too need to run the API in the background and store the delegation information in a database to provide a faster way to check delegation info.
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