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fusaka devnet 2 branch #7269

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d9fbcfb
some clarifications
agnxsh Jun 26, 2025
88c892f
Merge branch 'vcus' into fusaka-devnet-2
agnxsh Jun 26, 2025
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7 changes: 3 additions & 4 deletions beacon_chain/consensus_object_pools/block_pools_types.nim
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Original file line number Diff line number Diff line change
Expand Up @@ -137,7 +137,7 @@ type

erSlot*: Slot
## Earliest refilled slot is the earliest slot at which excess
## DataColumnSidecar downloading starts, if erSlot = GENESIS_SLOT
## DataColumnSidecar downloading finishes, if erSlot = GENESIS_SLOT
## we can deduce that validator custody is inactive.

validatorMonitor*: ref ValidatorMonitor
Expand Down Expand Up @@ -411,14 +411,13 @@ func earliestAvailableSlot*(dag: ChainDAGRef): Slot =
dag.backfill.slot != GENESIS_SLOT:
# When the BN is backfilling, backfill slot is the earliest
# persisted block.
dag.eaSlot = dag.backfill.slot
dag.backfill.slot
elif dag.erSlot != GENESIS_SLOT:
dag.eaSlot = dag.erSlot
# This indicates column filling due to validator custody
# is in progress
dag.erSlot
else:
# When the BN has backfilled, tail moves progressively.
dag.eaSlot = dag.tail.slot
dag.tail.slot

template epoch*(e: EpochRef): Epoch = e.key.epoch
Expand Down
9 changes: 3 additions & 6 deletions beacon_chain/sync/validator_custody.nim
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Expand Up @@ -100,11 +100,9 @@ proc makeRefillList(vcus: ValidatorCustodyRef, diff: seq[ColumnIndex]) =
slot = vcus.getLocalHeadSlot()
dag = vcus.dag

if slot == dag.earliestAvailableSlot():
# Make earliest refilled slot go 18 days worth of slots behind
# in time to start refilling the excess custody columns
dag.erSlot =
dag.erSlot - (vcus.dag.cfg.MIN_EPOCHS_FOR_BLOB_SIDECARS_REQUESTS * 12) - 1
# Make earliest refilled slot go upto head because everything
# behind is currently undergoing excess column refilling.
dag.erSlot = slot

let dataColumnRefillEpoch = (slot.epoch -
vcus.dag.cfg.MIN_EPOCHS_FOR_BLOB_SIDECARS_REQUESTS - 1)
Expand Down Expand Up @@ -243,7 +241,6 @@ proc validatorCustodyColumnLoop(
# Reset the earliest refilled slot and make the
# earliest available slot tail.
vcus.dag.erSlot = GENESIS_SLOT
discard vcus.dag.earliestAvailableSlot()

proc start*(vcus: ValidatorCustodyRef) =
## Start Validator Custody detection loop
Expand Down
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