nimbus-eth2/tests/consensus_spec/bellatrix/test_fixture_ssz_consensus_...

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# beacon_chain
# Copyright (c) 2018-2024 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
# Third-party
yaml,
# Beacon chain internals
../../../beacon_chain/spec/datatypes/[altair, bellatrix],
# Status libraries
snappy,
# Test utilities
../../testutil, ../fixtures_utils, ../os_ops
from std/streams import close, openFileStream
from std/strformat import `&`
from std/strutils import toLowerAscii
# SSZ tests of consensus objects (minimal/mainnet preset specific)
# Parsing definitions
# ----------------------------------------------------------------
const
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SSZDir = SszTestsDir/const_preset/"bellatrix"/"ssz_static"
type
SSZHashTreeRoot = object
# The test files have the values at the "root"
# so we **must** use "root" as a field name
root: string
# Some have a signing_root field
signing_root {.defaultVal: "".}: string
# Note this only tracks HashTreeRoot
# Checking the values against the yaml file is TODO (require more flexible Yaml parser)
proc checkSSZ(T: type bellatrix.SignedBeaconBlock, dir: string, expectedHash: SSZHashTreeRoot) =
# Deserialize into a ref object to not fill Nim stack
let encoded = snappy.decode(
readFileBytes(dir/"serialized.ssz_snappy"), MaxObjectSize)
let deserialized = newClone(sszDecodeEntireInput(encoded, T))
# SignedBeaconBlocks usually not hashed because they're identified by
# htr(BeaconBlock), so do it manually
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check: expectedHash.root == "0x" & toLowerAscii($hash_tree_root(
[hash_tree_root(deserialized.message),
hash_tree_root(deserialized.signature)]))
check deserialized.root == hash_tree_root(deserialized.message)
check SSZ.encode(deserialized[]) == encoded
check sszSize(deserialized[]) == encoded.len
# TODO check the value (requires YAML loader)
proc checkSSZ(T: type, dir: string, expectedHash: SSZHashTreeRoot) =
# Deserialize into a ref object to not fill Nim stack
let encoded = snappy.decode(
readFileBytes(dir/"serialized.ssz_snappy"), MaxObjectSize)
let deserialized = newClone(sszDecodeEntireInput(encoded, T))
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check: expectedHash.root == "0x" & toLowerAscii($hash_tree_root(deserialized[]))
check SSZ.encode(deserialized[]) == encoded
check sszSize(deserialized[]) == encoded.len
# TODO check the value (requires YAML loader)
proc loadExpectedHashTreeRoot(dir: string): SSZHashTreeRoot =
let s = openFileStream(dir/"roots.yaml")
yaml.load(s, result)
s.close()
# Test runner
# ----------------------------------------------------------------
suite "EF - Bellatrix - SSZ consensus objects " & preset():
doAssert dirExists(SSZDir), "You need to run the \"download_test_vectors.sh\" script to retrieve the consensus spec test vectors."
for pathKind, sszType in walkDir(SSZDir, relative = true, checkDir = true):
doAssert pathKind == pcDir
test &" Testing {sszType}":
let path = SSZDir/sszType
for pathKind, sszTestKind in walkDir(
path, relative = true, checkDir = true):
doAssert pathKind == pcDir
let path = SSZDir/sszType/sszTestKind
for pathKind, sszTestCase in walkDir(
path, relative = true, checkDir = true):
let path = SSZDir/sszType/sszTestKind/sszTestCase
let hash = loadExpectedHashTreeRoot(path)
case sszType:
of "AggregateAndProof": checkSSZ(AggregateAndProof, path, hash)
of "Attestation": checkSSZ(Attestation, path, hash)
of "AttestationData": checkSSZ(AttestationData, path, hash)
of "AttesterSlashing": checkSSZ(AttesterSlashing, path, hash)
of "BeaconBlock": checkSSZ(bellatrix.BeaconBlock, path, hash)
of "BeaconBlockBody": checkSSZ(bellatrix.BeaconBlockBody, path, hash)
of "BeaconBlockHeader": checkSSZ(BeaconBlockHeader, path, hash)
of "BeaconState": checkSSZ(bellatrix.BeaconState, path, hash)
of "Checkpoint": checkSSZ(Checkpoint, path, hash)
of "ContributionAndProof": checkSSZ(ContributionAndProof, path, hash)
of "Deposit": checkSSZ(Deposit, path, hash)
of "DepositData": checkSSZ(DepositData, path, hash)
of "DepositMessage": checkSSZ(DepositMessage, path, hash)
of "Eth1Block": checkSSZ(Eth1Block, path, hash)
of "Eth1Data": checkSSZ(Eth1Data, path, hash)
of "ExecutionPayload": checkSSZ(ExecutionPayload, path, hash)
of "ExecutionPayloadHeader":
checkSSZ(ExecutionPayloadHeader, path, hash)
of "Fork": checkSSZ(Fork, path, hash)
of "ForkData": checkSSZ(ForkData, path, hash)
of "HistoricalBatch": checkSSZ(HistoricalBatch, path, hash)
of "IndexedAttestation": checkSSZ(IndexedAttestation, path, hash)
of "LightClientBootstrap":
checkSSZ(altair.LightClientBootstrap, path, hash)
of "LightClientHeader":
checkSSZ(altair.LightClientHeader, path, hash)
of "LightClientUpdate":
checkSSZ(altair.LightClientUpdate, path, hash)
of "LightClientFinalityUpdate":
checkSSZ(altair.LightClientFinalityUpdate, path, hash)
of "LightClientOptimisticUpdate":
checkSSZ(altair.LightClientOptimisticUpdate, path, hash)
of "PendingAttestation": checkSSZ(PendingAttestation, path, hash)
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of "PowBlock": checkSSZ(PowBlock, path, hash)
of "ProposerSlashing": checkSSZ(ProposerSlashing, path, hash)
of "SignedAggregateAndProof":
checkSSZ(SignedAggregateAndProof, path, hash)
of "SignedBeaconBlock":
checkSSZ(bellatrix.SignedBeaconBlock, path, hash)
of "SignedBeaconBlockHeader":
checkSSZ(SignedBeaconBlockHeader, path, hash)
of "SignedContributionAndProof":
checkSSZ(SignedContributionAndProof, path, hash)
of "SignedVoluntaryExit": checkSSZ(SignedVoluntaryExit, path, hash)
of "SigningData": checkSSZ(SigningData, path, hash)
of "SyncAggregate": checkSSZ(SyncAggregate, path, hash)
of "SyncAggregatorSelectionData":
checkSSZ(SyncAggregatorSelectionData, path, hash)
of "SyncCommittee": checkSSZ(SyncCommittee, path, hash)
of "SyncCommitteeContribution":
checkSSZ(SyncCommitteeContribution, path, hash)
of "SyncCommitteeMessage": checkSSZ(SyncCommitteeMessage, path, hash)
of "Validator": checkSSZ(Validator, path, hash)
of "VoluntaryExit": checkSSZ(VoluntaryExit, path, hash)
else:
raise newException(ValueError, "Unsupported test: " & sszType)