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Remove std/random again

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Zahary Karadjov 2021-01-21 19:39:04 +02:00
parent 718feef802
commit 960666d1ed
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1 changed files with 2 additions and 4 deletions
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6
beacon_chain/nimbus_beacon_node.nim
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@ -8,7 +8,6 @@
import
# Standard library
std/[math, os, strformat, strutils, tables, times,
random, # TODO: review usage of Nim RNG
terminal, osproc],
system/ansi_c,
@ -656,12 +655,11 @@ proc setupSelfSlashingProtection(node: BeaconNode, slot: Slot) =
# 2 epochs is dangerous because it'll guarantee colliding probes in the
# overlapping case.
# TODO: is a pseudo-random RNG enough here?
# If so, should we store the state explicitly?
let rng = node.network.rng
# So dPE == 2 -> epoch + 1, always; dPE == 3 -> epoch + (1 or 2), etc.
node.processor.gossipSlashingProtection.probeEpoch =
slot.epoch + 1 + rand(duplicateValidatorEpochs.int - 2).uint64
slot.epoch + 1 + rng[].rand(duplicateValidatorEpochs.int - 2).uint64
doAssert node.processor.gossipSlashingProtection.probeEpoch <
node.processor.gossipSlashingProtection.broadcastStartEpoch