BD-4238 working document, history node for DB population of relational state queries.
Purpose:
the purpose of this doc is to capture the thoughts and findings of Ed while working this story.
eosio history tools
https://github.com/EOSIO/history-tools
eos Amsterdam summary of history nodes
https://cc32d9.medium.com/history-and-notifications-in-eosio-blockchain-8255194af93
https://eos.io/for-developers/build/demux/
the next step to take with this investigation is to get a practical understanding of how exchanges integrate with EOSIO (including FIO) at a code level. this will provide architectural level understanding of integrators in our community and also deepen our knowledge of the most complex integrations that are performed.