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

GitHub - EOSIO/history-tools: EOSIO History Tools

eos Amsterdam summary of history nodes

History and notifications in EOSIO blockchain

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.