compute_slot_at_timestamp.py

import datetime


GENESIS_SLOT = 0
GENESIS_TIME = 1606824023
SECONDS_PER_SLOT = 12


def compute_slot_at_timestamp(ts):
    time_since_genesis = ts - GENESIS_TIME
    return GENESIS_SLOT + time_since_genesis//SECONDS_PER_SLOT


def compute_timestamp_at_slot(slot):
    slots_since_genesis = slot - GENESIS_SLOT
    return GENESIS_TIME + slots_since_genesis*SECONDS_PER_SLOT


def compute_slot_at_time(dt):
    ts = int(dt.timestamp())
    return compute_slot_at_timestamp(ts)


def compute_time_at_slot(slot):
    ts = compute_timestamp_at_slot(slot)
    return datetime.datetime.utcfromtimestamp(ts).replace(tzinfo=datetime.timezone.utc)