nimbus-eth2/tests/test_beacon_time.nim

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# beacon_chain
# Copyright (c) 2022-2024 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
# at your option. This file may not be copied, modified, or distributed except according to those terms.
{.push raises: [].}
{.used.}
import
unittest2,
../beacon_chain/spec/beacon_time
suite "Beacon time":
test "basics":
let
s0 = Slot(0)
check:
s0.epoch() == Epoch(0)
s0.start_beacon_time() == BeaconTime()
s0.sync_committee_period() == SyncCommitteePeriod(0)
# Roundtrip far times we treat these as "Infinity"
FAR_FUTURE_SLOT.epoch.start_slot() == FAR_FUTURE_SLOT
FAR_FUTURE_SLOT.sync_committee_period.start_slot() == FAR_FUTURE_SLOT
FAR_FUTURE_EPOCH.start_slot().epoch() == FAR_FUTURE_EPOCH
FAR_FUTURE_SLOT.start_beacon_time().slotOrZero() == FAR_FUTURE_SLOT
FAR_FUTURE_PERIOD.start_epoch().sync_committee_period() == FAR_FUTURE_PERIOD
FAR_FUTURE_PERIOD.start_slot().sync_committee_period() == FAR_FUTURE_PERIOD
BeaconTime(ns_since_genesis: -10000000000).slotOrZero == Slot(0)
Slot(5).since_epoch_start() == 5
(Epoch(42).start_slot() + 5).since_epoch_start() == 5
Slot(5).start_beacon_time() > Slot(4).start_beacon_time()
Slot(4).start_beacon_time() +
(Slot(5).start_beacon_time() - Slot(4).start_beacon_time()) ==
Slot(5).start_beacon_time()
Epoch(3).start_slot.is_epoch()
SyncCommitteePeriod(5).start_epoch().is_sync_committee_period()
SyncCommitteePeriod(5).start_slot().is_sync_committee_period()
Epoch(5).start_slot.sync_committee_period ==
Epoch(5).sync_committee_period
SyncCommitteePeriod(5).start_slot.sync_committee_period ==
SyncCommitteePeriod(5)
block:
var counts = 0
for i in countdown(SyncCommitteePeriod(1), SyncCommitteePeriod(0)):
counts += 1
check:
counts == 2
2023-05-16 08:21:52 +00:00
test "Dependent slots":
check:
Epoch(0).proposer_dependent_slot() == Slot(0)
Epoch(1).proposer_dependent_slot() == Epoch(1).start_slot() - 1
Epoch(2).proposer_dependent_slot() == Epoch(2).start_slot() - 1
Epoch(0).attester_dependent_slot() == Slot(0)
Epoch(1).attester_dependent_slot() == Slot(0)
Epoch(2).attester_dependent_slot() == Epoch(1).start_slot() - 1