add `start_slot` overload for sync periods (#3469)
Adds a `start_slot` overload for `SyncCommitteePeriod` as a shortcut for `period.start_epoch.start_slot`.
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@ -231,11 +231,19 @@ template is_sync_committee_period*(epoch: Epoch): bool =
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epoch.since_sync_committee_period_start() == 0
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epoch.since_sync_committee_period_start() == 0
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template start_epoch*(period: SyncCommitteePeriod): Epoch =
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template start_epoch*(period: SyncCommitteePeriod): Epoch =
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## Return the start epoch of ``period``.
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const maxPeriod = SyncCommitteePeriod(
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const maxPeriod = SyncCommitteePeriod(
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FAR_FUTURE_EPOCH div EPOCHS_PER_SYNC_COMMITTEE_PERIOD)
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FAR_FUTURE_EPOCH div EPOCHS_PER_SYNC_COMMITTEE_PERIOD)
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if period >= maxPeriod: FAR_FUTURE_EPOCH
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if period >= maxPeriod: FAR_FUTURE_EPOCH
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else: Epoch(period * EPOCHS_PER_SYNC_COMMITTEE_PERIOD)
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else: Epoch(period * EPOCHS_PER_SYNC_COMMITTEE_PERIOD)
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template start_slot*(period: SyncCommitteePeriod): Slot =
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## Return the start slot of ``period``.
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const maxPeriod = SyncCommitteePeriod(
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FAR_FUTURE_SLOT div SLOTS_PER_SYNC_COMMITTEE_PERIOD)
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if period >= maxPeriod: FAR_FUTURE_SLOT
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else: Slot(period * SLOTS_PER_SYNC_COMMITTEE_PERIOD)
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func `$`*(t: BeaconTime): string =
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func `$`*(t: BeaconTime): string =
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if t.ns_since_genesis >= 0:
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if t.ns_since_genesis >= 0:
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$(timer.nanoseconds(t.ns_since_genesis))
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$(timer.nanoseconds(t.ns_since_genesis))
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@ -1,12 +1,16 @@
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# beacon_chain
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# Copyright (c) 2022 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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{.used.}
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{.used.}
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import
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import
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unittest2,
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unittest2,
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../beacon_chain/spec/beacon_time
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../beacon_chain/spec/beacon_time
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{.used.}
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suite "Beacon time":
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suite "Beacon time":
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test "basics":
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test "basics":
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let
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let
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@ -19,9 +23,11 @@ suite "Beacon time":
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# Roundtrip far times we treat these as "Infinitiy"
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# Roundtrip far times we treat these as "Infinitiy"
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FAR_FUTURE_SLOT.epoch.start_slot() == FAR_FUTURE_SLOT
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FAR_FUTURE_SLOT.epoch.start_slot() == FAR_FUTURE_SLOT
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FAR_FUTURE_SLOT.sync_committee_period.start_slot() == FAR_FUTURE_SLOT
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FAR_FUTURE_EPOCH.start_slot().epoch() == FAR_FUTURE_EPOCH
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FAR_FUTURE_EPOCH.start_slot().epoch() == FAR_FUTURE_EPOCH
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FAR_FUTURE_SLOT.start_beacon_time().slotOrZero() == FAR_FUTURE_SLOT
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FAR_FUTURE_SLOT.start_beacon_time().slotOrZero() == FAR_FUTURE_SLOT
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FAR_FUTURE_PERIOD.start_epoch().sync_committee_period() == FAR_FUTURE_PERIOD
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FAR_FUTURE_PERIOD.start_epoch().sync_committee_period() == FAR_FUTURE_PERIOD
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FAR_FUTURE_PERIOD.start_slot().sync_committee_period() == FAR_FUTURE_PERIOD
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BeaconTime(ns_since_genesis: -10000000000).slotOrZero == Slot(0)
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BeaconTime(ns_since_genesis: -10000000000).slotOrZero == Slot(0)
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Slot(5).since_epoch_start() == 5
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Slot(5).since_epoch_start() == 5
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@ -35,6 +41,9 @@ suite "Beacon time":
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Epoch(3).start_slot.is_epoch()
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Epoch(3).start_slot.is_epoch()
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SyncCommitteePeriod(5).start_epoch().is_sync_committee_period()
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SyncCommitteePeriod(5).start_epoch().is_sync_committee_period()
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SyncCommitteePeriod(5).start_slot().is_sync_committee_period()
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Epoch(5).start_slot.sync_committee_period ==
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Epoch(5).start_slot.sync_committee_period ==
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Epoch(5).sync_committee_period
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Epoch(5).sync_committee_period
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SyncCommitteePeriod(5).start_slot.sync_committee_period ==
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SyncCommitteePeriod(5)
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