>> What would you suggest instead? On the front-end, I'd do a call to the server. On the server, I'd use a database transaction for that. But I get your point

>> What would you suggest instead? On the front-end, I'd do a call to the server. On the server, I'd use a database transaction for that. But I get your point. The way I deal with race condition in redux is to have a mutex. I.e. While something is being fetched, any call to this command is either ignored or queued up. I use redux-saga for the "race-condition" and general flow, and call the various async functions from within sagas.