150 lines
5.7 KiB
Nim
150 lines
5.7 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
|
|
# Status lib
|
|
unittest2,
|
|
chronicles, chronos,
|
|
eth/keys,
|
|
# Internal
|
|
../beacon_chain/[beacon_node_types, extras, 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],
|
|
../beacon_chain/ssz/merkleization,
|
|
../beacon_chain/spec/[crypto, datatypes, digest, validator, state_transition,
|
|
helpers, presets, network],
|
|
# 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
|
|
chainDag = init(ChainDAGRef, defaultRuntimePreset, makeTestDB(SLOTS_PER_EPOCH * 3))
|
|
quarantine = QuarantineRef.init(keys.newRng())
|
|
pool = newClone(AttestationPool.init(chainDag, quarantine))
|
|
state = newClone(chainDag.headState)
|
|
cache = StateCache()
|
|
batchCrypto = BatchCrypto.new(keys.newRng(), eager = proc(): bool = false)
|
|
# Slot 0 is a finalized slot - won't be making attestations for it..
|
|
check:
|
|
process_slots(state.data, getStateField(state, slot) + 1, cache)
|
|
|
|
test "Validation sanity":
|
|
# TODO: refactor tests to avoid skipping BLS validation
|
|
chainDag.updateFlags.incl {skipBLSValidation}
|
|
|
|
var
|
|
cache: StateCache
|
|
for blck in makeTestBlocks(
|
|
chainDag.headState.data, chainDag.head.root, cache,
|
|
int(SLOTS_PER_EPOCH * 5), false):
|
|
let added = chainDag.addRawBlock(quarantine, blck) do (
|
|
blckRef: BlockRef, signedBlock: TrustedSignedBeaconBlock,
|
|
epochRef: EpochRef, state: HashedBeaconState):
|
|
# Callback add to fork choice if valid
|
|
pool[].addForkChoice(epochRef, blckRef, signedBlock.message, blckRef.slot)
|
|
|
|
check: added.isOk()
|
|
chainDag.updateHead(added[], quarantine)
|
|
pruneAtFinalization(chainDag, pool[])
|
|
|
|
var
|
|
# Create attestations for slot 1
|
|
beacon_committee = get_beacon_committee(
|
|
chainDag.headState.data.data, chainDag.head.slot, 0.CommitteeIndex, cache)
|
|
att_1_0 = makeAttestation(
|
|
chainDag.headState.data.data, chainDag.head.root, beacon_committee[0], cache)
|
|
att_1_1 = makeAttestation(
|
|
chainDag.headState.data.data, chainDag.head.root, beacon_committee[1], cache)
|
|
|
|
committees_per_slot =
|
|
get_committee_count_per_slot(chainDag.headState.data.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, subnet + 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 + 1, 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 + 1, 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()
|