263 lines
9.8 KiB
Nim
263 lines
9.8 KiB
Nim
# beacon_chain
|
|
# Copyright (c) 2018-2021 Status Research & Development GmbH
|
|
# Licensed and distributed under either of
|
|
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
|
|
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
|
|
# at your option. This file may not be copied, modified, or distributed except according to those terms.
|
|
|
|
{.used.}
|
|
|
|
import
|
|
# Standard library
|
|
std/sequtils,
|
|
# Status lib
|
|
unittest2,
|
|
chronicles, chronos,
|
|
eth/keys, taskpools,
|
|
# Internal
|
|
../beacon_chain/[beacon_clock],
|
|
../beacon_chain/gossip_processing/[gossip_validation, batch_validation],
|
|
../beacon_chain/fork_choice/[fork_choice_types, fork_choice],
|
|
../beacon_chain/consensus_object_pools/[
|
|
block_quarantine, blockchain_dag, block_clearance, attestation_pool,
|
|
sync_committee_msg_pool],
|
|
../beacon_chain/spec/datatypes/[phase0, altair],
|
|
../beacon_chain/spec/[state_transition, helpers, network, validator],
|
|
../beacon_chain/validators/validator_pool,
|
|
# Test utilities
|
|
./testutil, ./testdbutil, ./testblockutil
|
|
|
|
proc pruneAtFinalization(dag: ChainDAGRef, attPool: AttestationPool) =
|
|
if dag.needStateCachesAndForkChoicePruning():
|
|
dag.pruneStateCachesDAG()
|
|
# pool[].prune() # We test logic without att_1_0 pool / fork choice pruning
|
|
|
|
suite "Gossip validation " & preset():
|
|
setup:
|
|
# Genesis state that results in 3 members per committee
|
|
var
|
|
dag = init(ChainDAGRef, defaultRuntimeConfig, makeTestDB(SLOTS_PER_EPOCH * 3), {})
|
|
taskpool = Taskpool.new()
|
|
quarantine = QuarantineRef.init(keys.newRng(), taskpool)
|
|
pool = newClone(AttestationPool.init(dag, quarantine))
|
|
state = newClone(dag.headState)
|
|
cache = StateCache()
|
|
info = ForkedEpochInfo()
|
|
batchCrypto = BatchCrypto.new(keys.newRng(), eager = proc(): bool = false, taskpool)
|
|
# Slot 0 is a finalized slot - won't be making attestations for it..
|
|
check:
|
|
process_slots(
|
|
defaultRuntimeConfig, state.data, getStateField(state.data, slot) + 1,
|
|
cache, info, {})
|
|
|
|
test "Any committee index is valid":
|
|
template committee(idx: uint64): untyped =
|
|
get_beacon_committee(
|
|
dag.headState.data, dag.head.slot, idx.CommitteeIndex, cache)
|
|
|
|
template committeeLen(idx: uint64): untyped =
|
|
get_beacon_committee_len(
|
|
dag.headState.data, dag.head.slot, idx.CommitteeIndex, cache)
|
|
|
|
check:
|
|
committee(0).len > 0
|
|
committee(10000).len == 0
|
|
committee(uint64.high).len == 0
|
|
|
|
check:
|
|
committeeLen(2) > 0
|
|
committeeLen(10000) == 0
|
|
committeeLen(uint64.high) == 0
|
|
|
|
test "Validation sanity":
|
|
# TODO: refactor tests to avoid skipping BLS validation
|
|
dag.updateFlags.incl {skipBLSValidation}
|
|
|
|
var
|
|
cache: StateCache
|
|
for blck in makeTestBlocks(
|
|
dag.headState.data, dag.head.root, cache,
|
|
int(SLOTS_PER_EPOCH * 5), false):
|
|
let added = dag.addRawBlock(quarantine, blck.phase0Data) do (
|
|
blckRef: BlockRef, signedBlock: phase0.TrustedSignedBeaconBlock,
|
|
epochRef: EpochRef):
|
|
# Callback add to fork choice if valid
|
|
pool[].addForkChoice(epochRef, blckRef, signedBlock.message, blckRef.slot)
|
|
|
|
check: added.isOk()
|
|
dag.updateHead(added[], quarantine)
|
|
pruneAtFinalization(dag, pool[])
|
|
|
|
var
|
|
# Create attestations for slot 1
|
|
beacon_committee = get_beacon_committee(
|
|
dag.headState.data, dag.head.slot, 0.CommitteeIndex, cache)
|
|
att_1_0 = makeAttestation(
|
|
dag.headState.data, dag.head.root, beacon_committee[0], cache)
|
|
att_1_1 = makeAttestation(
|
|
dag.headState.data, dag.head.root, beacon_committee[1], cache)
|
|
|
|
committees_per_slot =
|
|
get_committee_count_per_slot(dag.headState.data,
|
|
att_1_0.data.slot.epoch, cache)
|
|
|
|
subnet = compute_subnet_for_attestation(
|
|
committees_per_slot,
|
|
att_1_0.data.slot, att_1_0.data.index.CommitteeIndex)
|
|
|
|
beaconTime = att_1_0.data.slot.toBeaconTime()
|
|
|
|
check:
|
|
validateAttestation(pool, batchCrypto, att_1_0, beaconTime, subnet, true).waitFor().isOk
|
|
|
|
# Same validator again
|
|
validateAttestation(pool, batchCrypto, att_1_0, beaconTime, subnet, true).waitFor().error()[0] ==
|
|
ValidationResult.Ignore
|
|
|
|
pool[].nextAttestationEpoch.setLen(0) # reset for test
|
|
check:
|
|
# Wrong subnet
|
|
validateAttestation(
|
|
pool, batchCrypto, att_1_0, beaconTime, SubnetId(subnet.uint8 + 1), true).waitFor().isErr
|
|
|
|
pool[].nextAttestationEpoch.setLen(0) # reset for test
|
|
check:
|
|
# Too far in the future
|
|
validateAttestation(
|
|
pool, batchCrypto, att_1_0, beaconTime - 1.seconds, subnet, true).waitFor().isErr
|
|
|
|
pool[].nextAttestationEpoch.setLen(0) # reset for test
|
|
check:
|
|
# Too far in the past
|
|
validateAttestation(
|
|
pool, batchCrypto, att_1_0,
|
|
beaconTime - (SECONDS_PER_SLOT * SLOTS_PER_EPOCH - 1).int.seconds,
|
|
subnet, true).waitFor().isErr
|
|
|
|
block:
|
|
var broken = att_1_0
|
|
broken.signature.blob[0] += 1
|
|
pool[].nextAttestationEpoch.setLen(0) # reset for test
|
|
check:
|
|
# Invalid signature
|
|
validateAttestation(
|
|
pool, batchCrypto, broken, beaconTime, subnet, true).waitFor().
|
|
error()[0] == ValidationResult.Reject
|
|
|
|
block:
|
|
var broken = att_1_0
|
|
broken.signature.blob[5] += 1
|
|
pool[].nextAttestationEpoch.setLen(0) # reset for test
|
|
# One invalid, one valid (batched)
|
|
let
|
|
fut_1_0 = validateAttestation(
|
|
pool, batchCrypto, broken, beaconTime, subnet, true)
|
|
fut_1_1 = validateAttestation(
|
|
pool, batchCrypto, att_1_1, beaconTime, subnet, true)
|
|
|
|
check:
|
|
fut_1_0.waitFor().error()[0] == ValidationResult.Reject
|
|
fut_1_1.waitFor().isOk()
|
|
|
|
block:
|
|
var broken = att_1_0
|
|
# This shouldn't deserialize, which is a different way to break it
|
|
broken.signature.blob = default(type broken.signature.blob)
|
|
pool[].nextAttestationEpoch.setLen(0) # reset for test
|
|
# One invalid, one valid (batched)
|
|
let
|
|
fut_1_0 = validateAttestation(
|
|
pool, batchCrypto, broken, beaconTime, subnet, true)
|
|
fut_1_1 = validateAttestation(
|
|
pool, batchCrypto, att_1_1, beaconTime, subnet, true)
|
|
|
|
check:
|
|
fut_1_0.waitFor().error()[0] == ValidationResult.Reject
|
|
fut_1_1.waitFor().isOk()
|
|
|
|
suite "Gossip validation - Extra": # Not based on preset config
|
|
test "validateSyncCommitteeMessage":
|
|
const num_validators = SLOTS_PER_EPOCH
|
|
let
|
|
cfg = block:
|
|
var cfg = defaultRuntimeConfig
|
|
cfg.ALTAIR_FORK_EPOCH = (GENESIS_EPOCH + 1).Epoch
|
|
cfg
|
|
dag = block:
|
|
let
|
|
dag = ChainDAGRef.init(cfg, makeTestDB(num_validators), {})
|
|
taskpool = Taskpool.new()
|
|
quarantine = QuarantineRef.init(keys.newRng(), taskpool)
|
|
var cache = StateCache()
|
|
for blck in makeTestBlocks(
|
|
dag.headState.data, dag.head.root, cache,
|
|
int(SLOTS_PER_EPOCH), false, cfg = cfg):
|
|
let added =
|
|
case blck.kind
|
|
of BeaconBlockFork.Phase0:
|
|
const nilCallback = OnPhase0BlockAdded(nil)
|
|
dag.addRawBlock(quarantine, blck.phase0Data, nilCallback)
|
|
of BeaconBlockFork.Altair:
|
|
const nilCallback = OnAltairBlockAdded(nil)
|
|
dag.addRawBlock(quarantine, blck.altairData, nilCallback)
|
|
of BeaconBlockFork.Merge:
|
|
const nilCallback = OnMergeBlockAdded(nil)
|
|
dag.addRawBlock(quarantine, blck.mergeData, nilCallback)
|
|
check: added.isOk()
|
|
dag.updateHead(added[], quarantine)
|
|
dag
|
|
state = assignClone(dag.headState.data.altairData)
|
|
|
|
subcommitteeIdx = 0.SyncSubcommitteeIndex
|
|
syncCommittee = @(dag.syncCommitteeParticipants(state[].data.slot))
|
|
subcommittee = toSeq(syncCommittee.syncSubcommittee(subcommitteeIdx))
|
|
|
|
pubkey = subcommittee[0]
|
|
expectedCount = subcommittee.count(pubkey)
|
|
index = ValidatorIndex(
|
|
state[].data.validators.mapIt(it.pubkey).find(pubKey))
|
|
privateItem = ValidatorPrivateItem(privateKey: MockPrivKeys[index])
|
|
validator = AttachedValidator(pubKey: pubkey,
|
|
kind: ValidatorKind.Local, data: privateItem, index: some(index))
|
|
msg = waitFor signSyncCommitteeMessage(
|
|
validator, state[].data.slot,
|
|
state[].data.fork, state[].data.genesis_validators_root, state[].root)
|
|
|
|
syncCommitteeMsgPool = newClone(SyncCommitteeMsgPool.init())
|
|
res = validateSyncCommitteeMessage(
|
|
dag, syncCommitteeMsgPool[], msg, subcommitteeIdx,
|
|
state[].data.slot.toBeaconTime(), true)
|
|
(positions, cookedSig) = res.get()
|
|
|
|
syncCommitteeMsgPool[].addSyncCommitteeMsg(
|
|
msg.slot,
|
|
msg.beacon_block_root,
|
|
msg.validator_index,
|
|
cookedSig,
|
|
subcommitteeIdx,
|
|
positions)
|
|
|
|
let
|
|
contribution = block:
|
|
var contribution = (ref SignedContributionAndProof)()
|
|
check: syncCommitteeMsgPool[].produceContribution(
|
|
state[].data.slot, state[].root, subcommitteeIdx,
|
|
contribution.message.contribution)
|
|
syncCommitteeMsgPool[].addSyncContribution(
|
|
contribution[], contribution.message.contribution.signature.load.get)
|
|
waitFor validator.sign(
|
|
contribution, state[].data.fork, state[].data.genesis_validators_root)
|
|
contribution
|
|
aggregate = syncCommitteeMsgPool[].produceSyncAggregate(state[].root)
|
|
|
|
check:
|
|
expectedCount > 1 # Cover edge case
|
|
res.isOk
|
|
contribution.message.contribution.aggregation_bits.countOnes == expectedCount
|
|
aggregate.sync_committee_bits.countOnes == expectedCount
|
|
|
|
# Same message twice should be ignored
|
|
validateSyncCommitteeMessage(
|
|
dag, syncCommitteeMsgPool[], msg, subcommitteeIdx,
|
|
state[].data.slot.toBeaconTime(), true).isErr()
|