[ot][spam][crazy][spam][confused code] asdf!

[Undescribed Horrific Abuse, One Victim & Survivor of Many]

variable definitions:

eta # expected completion timestamp

remaining = eta - now # number of seconds until expected completion time

ratelimit_period # number of seconds within which ratelimit is calculated

min_delay # target query frequency at eta; this is the ideal frequency
without a ratelimit

extra_delay # added delay in the last ratelimit period to leave space
in the ratelimit prior so as to query more near eta

mark_time # time of last query

delay # time to wait before next query