nimbus-eth2/tests/official/test_fixture_ssz_consensus_...

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# beacon_chain
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# Copyright (c) 2018-2020 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.
import
# Standard library
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os, unittest, strutils, streams, strformat,
macros, sets,
# Third-party
yaml,
# Beacon chain internals
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../../beacon_chain/spec/[crypto, datatypes, digest],
../../beacon_chain/ssz,
# Test utilities
../testutil, ./fixtures_utils
# SSZ tests of consensus objects (minimal/mainnet preset specific)
# Parsing definitions
# ----------------------------------------------------------------
const
SSZDir = SszTestsDir/const_preset/"phase0"/"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: string
# Make signing root optional
setDefaultValue(SSZHashTreeRoot, signing_root, "")
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# Note this only tracks HashTreeRoot
# Checking the values against the yaml file is TODO (require more flexible Yaml parser)
proc checkSSZ(T: type SignedBeaconBlock, dir: string, expectedHash: SSZHashTreeRoot) =
# Deserialize into a ref object to not fill Nim stack
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let encoded = readFileBytes(dir/"serialized.ssz")
var deserialized = newClone(sszDecodeEntireInput(encoded, T))
# SignedBeaconBlocks usually not hashed because they're identified by
# htr(BeaconBlock), so do it manually
check: expectedHash.root == "0x" & toLowerASCII($hash_tree_root(
[hash_tree_root(deserialized.message),
hash_tree_root(deserialized.signature)]))
check deserialized.root == hash_tree_root(deserialized.message)
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check SSZ.encode(deserialized[]) == encoded
check sszSize(deserialized[]) == encoded.len
# TODO check the value (requires YAML loader)
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proc checkSSZ(T: type, dir: string, expectedHash: SSZHashTreeRoot) =
# Deserialize into a ref object to not fill Nim stack
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let encoded = readFileBytes(dir/"serialized.ssz")
var deserialized = newClone(sszDecodeEntireInput(encoded, T))
check: expectedHash.root == "0x" & toLowerASCII($hash_tree_root(deserialized[]))
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check SSZ.encode(deserialized[]) == encoded
check sszSize(deserialized[]) == encoded.len
# TODO check the value (requires YAML loader)
proc loadExpectedHashTreeRoot(dir: string): SSZHashTreeRoot =
var s = openFileStream(dir/"roots.yaml")
yaml.load(s, result)
s.close()
# Test runner
# ----------------------------------------------------------------
proc runSSZtests() =
doAssert existsDir(SSZDir), "You need to run the \"download_test_vectors.sh\" script to retrieve the official test vectors."
for pathKind, sszType in walkDir(SSZDir, relative = true):
doAssert pathKind == pcDir
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timedTest &" Testing {sszType}":
let path = SSZDir/sszType
for pathKind, sszTestKind in walkDir(path, relative = true):
doAssert pathKind == pcDir
let path = SSZDir/sszType/sszTestKind
for pathKind, sszTestCase in walkDir(path, relative = true):
let path = SSZDir/sszType/sszTestKind/sszTestCase
let hash = loadExpectedHashTreeRoot(path)
case sszType:
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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(BeaconBlock, path, hash)
of "BeaconBlockBody": checkSSZ(BeaconBlockBody, path, hash)
of "BeaconBlockHeader": checkSSZ(BeaconBlockHeader, path, hash)
of "BeaconState": checkSSZ(BeaconState, path, hash)
of "Checkpoint": checkSSZ(Checkpoint, path, hash)
of "Deposit": checkSSZ(Deposit, path, hash)
of "DepositData": checkSSZ(DepositData, path, hash)
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of "DepositMessage": checkSSZ(DepositMessage, path, hash)
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of "Eth1Block": checkSSZ(Eth1Block, path, hash)
of "Eth1Data": checkSSZ(Eth1Data, path, hash)
of "Fork": checkSSZ(Fork, path, hash)
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of "ForkData": checkSSZ(ForkData, path, hash)
of "HistoricalBatch": checkSSZ(HistoricalBatch, path, hash)
of "IndexedAttestation": checkSSZ(IndexedAttestation, path, hash)
of "PendingAttestation": checkSSZ(PendingAttestation, path, hash)
of "ProposerSlashing": checkSSZ(ProposerSlashing, path, hash)
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of "SignedAggregateAndProof":
checkSSZ(SignedAggregateAndProof, path, hash)
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of "SignedBeaconBlock": checkSSZ(SignedBeaconBlock, path, hash)
of "SignedBeaconBlockHeader":
checkSSZ(SignedBeaconBlockHeader, path, hash)
of "SignedVoluntaryExit": checkSSZ(SignedVoluntaryExit, path, hash)
of "SigningData":
checkSSZ(SigningData, path, hash)
of "Validator": checkSSZ(Validator, path, hash)
of "VoluntaryExit": checkSSZ(VoluntaryExit, path, hash)
else:
raise newException(ValueError, "Unsupported test: " & sszType)
suiteReport "Official - SSZ consensus objects " & preset():
runSSZtests()
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summarizeLongTests("FixtureSSZConsensus")