seenAlready is used to avoid duplicate events receiving at different times from multiple relays, but if left unchecked, memory will gradually be used; old events should be deleted after a certain period of time as they never arrive after EOSE is given.
seenAlready is used to avoid duplicate events receiving at different times from multiple relays, but if left unchecked, memory will gradually be used; old events should be deleted after a certain period of time as they never arrive after EOSE is given.