nimbus-eth2/tests/official/test_fixture_shuffling.nim

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# beacon_chain
# Copyright (c) 2018-Present Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at http://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at http://www.apache.org/licenses/LICENSE-2.0).
# at your option. This file may not be copied, modified, or distributed except according to those terms.
import
# Standard library
os, unittest, sequtils,
# Beacon chain internals
../../beacon_chain/spec/[datatypes, validator, digest],
# Test utilities
../testutil,
./fixtures_utils
type
Shuffling* = object
seed*: Eth2Digest
count*: uint64
mapping*: seq[uint64]
const ShufflingDir = JsonTestsDir/const_preset/"phase0"/"shuffling"/"core"/"shuffle"
suite "Official - Shuffling tests [Preset: " & preset():
test "Shuffling a sequence of N validators" & preset():
for file in walkDirRec(ShufflingDir):
let t = parseTest(file, Json, Shuffling)
let implResult = get_shuffled_seq(t.seed, t.count)
check: implResult == mapIt(t.mapping, it.ValidatorIndex)