nimbus-eth2/tests/test_sync_committee_pool.nim

225 lines
7.0 KiB
Nim

{.used.}
import
unittest2,
../beacon_chain/spec/[beaconstate, helpers, signatures],
../beacon_chain/consensus_object_pools/sync_committee_msg_pool,
./testblockutil
func aggregate(sigs: openarray[CookedSig]): CookedSig =
var agg {.noInit.}: AggregateSignature
agg.init sigs[0]
for i in 1 ..< sigs.len:
agg.aggregate sigs[i]
agg.finish
suite "Sync committee pool":
setup:
var pool = SyncCommitteeMsgPool.init()
test "An empty pool is safe to use":
let headRoot = eth2digest(@[1.byte, 2, 3])
var outContribution: SyncCommitteeContribution
let success = pool.produceContribution(
Slot(1),
headRoot,
SyncSubcommitteeIndex(0),
outContribution)
check(success == false)
let aggregate = pool.produceSyncAggregate(headRoot)
check:
aggregate.sync_committee_bits.isZeros
aggregate.sync_committee_signature == ValidatorSig.infinity
test "An empty pool is safe to prune":
pool.pruneData(Slot(0))
test "An empty pool is safe to prune 2":
pool.pruneData(Slot(10000))
test "Aggregating votes":
let
fork = altairFork(defaultRuntimeConfig)
genesisValidatorsRoot = eth2digest(@[5.byte, 6, 7])
privkey1 = MockPrivKeys[1.ValidatorIndex]
privkey2 = MockPrivKeys[2.ValidatorIndex]
privkey3 = MockPrivKeys[3.ValidatorIndex]
privkey4 = MockPrivKeys[4.ValidatorIndex]
root1 = eth2digest(@[1.byte])
root2 = eth2digest(@[1.byte, 2])
root3 = eth2digest(@[1.byte, 2, 3])
root1Slot = Slot(100)
root2Slot = Slot(101)
root3Slot = Slot(101)
subcommittee1 = SyncSubcommitteeIndex(0)
subcommittee2 = SyncSubcommitteeIndex(1)
sig1 = blsSign(privkey1, sync_committee_msg_signing_root(
fork, root1Slot.epoch, genesisValidatorsRoot, root1).data)
sig2 = blsSign(privkey2, sync_committee_msg_signing_root(
fork, root2Slot.epoch, genesisValidatorsRoot, root1).data)
sig3 = blsSign(privkey3, sync_committee_msg_signing_root(
fork, root3Slot.epoch, genesisValidatorsRoot, root1).data)
sig4 = blsSign(privkey4, sync_committee_msg_signing_root(
fork, root3Slot.epoch, genesisValidatorsRoot, root2).data)
# Inserting sync committee messages
#
pool.addSyncCommitteeMsg(root1Slot, root1, 1, sig1, subcommittee1, [1'u64])
pool.addSyncCommitteeMsg(root1Slot, root1, 2, sig2, subcommittee1, [10'u64])
pool.addSyncCommitteeMsg(root2Slot, root1, 3, sig3, subcommittee2, [7'u64])
pool.addSyncCommitteeMsg(root2Slot, root2, 4, sig4, subcommittee2, [3'u64])
# Producing contributions
#
block:
# Checking a committee where there was no activity:
var outContribution: SyncCommitteeContribution
let success = pool.produceContribution(
root2Slot,
root2,
subcommittee1,
outContribution)
check:
not success
block:
# Checking a committee where 2 signatures should have been aggregated:
var outContribution: SignedContributionAndProof
template contribution: untyped = outContribution.message.contribution
let success = pool.produceContribution(
root1Slot,
root1,
subcommittee1,
contribution)
let expectedSig = aggregate [sig1, sig2]
check:
success
contribution.slot == root1Slot
contribution.beacon_block_root == root1
contribution.subcommittee_index == subcommittee1.uint64
contribution.aggregation_bits.countOnes == 2
contribution.aggregation_bits[1] == true
contribution.aggregation_bits[8] == false
contribution.aggregation_bits[10] == true
contribution.signature == expectedSig.toValidatorSig
pool.addSyncContribution(outContribution, expectedSig)
check: pool.isSeen(outContribution.message)
block:
# Checking a committee with a signle participant:
var outContribution: SignedContributionAndProof
template contribution: untyped = outContribution.message.contribution
let success = pool.produceContribution(
root1Slot,
root1,
subcommittee2,
contribution)
check:
success
contribution.slot == root1Slot
contribution.beacon_block_root == root1
contribution.subcommittee_index == subcommittee2.uint64
contribution.aggregation_bits.countOnes == 1
contribution.aggregation_bits[7] == true
contribution.signature == sig3.toValidatorSig
pool.addSyncContribution(outContribution, sig3)
check: pool.isSeen(outContribution.message)
block:
# Checking another committee with a signle participant
# voting for a different block:
var outContribution: SignedContributionAndProof
template contribution: untyped = outContribution.message.contribution
let success = pool.produceContribution(
root2Slot,
root2,
subcommittee2,
contribution)
check:
success
contribution.slot == root2Slot
contribution.beacon_block_root == root2
contribution.subcommittee_index == subcommittee2.uint64
contribution.aggregation_bits.countOnes == 1
contribution.aggregation_bits[3] == true
contribution.signature == sig4.toValidatorSig
pool.addSyncContribution(outContribution, sig4)
check: pool.isSeen(outContribution.message)
block:
# Checking a block root nobody voted for
var outContribution: SignedContributionAndProof
template contribution: untyped = outContribution.message.contribution
let success = pool.produceContribution(
root3Slot,
root3,
subcommittee2,
contribution)
check:
not success
# Obtaining a SyncAggregate
#
block:
# Checking for a block that got no votes
let aggregate = pool.produceSyncAggregate(root3)
check:
aggregate.sync_committee_bits.isZeros
aggregate.sync_committee_signature == ValidatorSig.infinity
block:
# Checking for a block that got votes from 1 committee
let aggregate = pool.produceSyncAggregate(root2)
check:
aggregate.sync_committee_bits.countOnes == 1
aggregate.sync_committee_signature == sig4.toValidatorSig
block:
# Checking for a block that got votes from 2 committees
let aggregate = pool.produceSyncAggregate(root1)
let expectedSig = aggregate [sig1, sig2, sig3]
check:
aggregate.sync_committee_bits.countOnes == 3
aggregate.sync_committee_signature == expectedSig.toValidatorSig
# Pruning the data
#
pool.pruneData(Slot(200))
block:
# After pruning, all votes are gone
var outContribution: SyncCommitteeContribution
let success = pool.produceContribution(
root1Slot,
root1,
subcommittee1,
outContribution)
check:
not success
let aggregate = pool.produceSyncAggregate(root2)
check:
aggregate.sync_committee_bits.isZeros
aggregate.sync_committee_signature == ValidatorSig.infinity