135 lines
5.5 KiB
Nim
135 lines
5.5 KiB
Nim
# beacon_chain
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# Copyright (c) 2018-2021 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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import
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# Standard library
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os, unittest, strutils, streams, strformat,
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macros, sets,
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# Third-party
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yaml,
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# Beacon chain internals
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../../beacon_chain/spec/[crypto, datatypes, digest],
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../../beacon_chain/ssz,
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# Test utilities
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../testutil, ./fixtures_utils
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# SSZ tests of consensus objects (minimal/mainnet preset specific)
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# Parsing definitions
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# ----------------------------------------------------------------
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const
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SSZDir = SszTestsDir/const_preset/"phase0"/"ssz_static"
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type
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SSZHashTreeRoot = object
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# The test files have the values at the "root"
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# so we **must** use "root" as a field name
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root: string
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# Some have a signing_root field
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signing_root {.defaultVal: "".}: string
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# https://github.com/ethereum/eth2.0-specs/blob/v1.0.1/specs/phase0/validator.md#eth1block
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Eth1Block* = object
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timestamp*: uint64
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deposit_root*: Eth2Digest
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deposit_count*: uint64
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# All other eth1 block fields
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# Note this only tracks HashTreeRoot
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# Checking the values against the yaml file is TODO (require more flexible Yaml parser)
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proc checkSSZ(T: type SignedBeaconBlock, dir: string, expectedHash: SSZHashTreeRoot) =
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# Deserialize into a ref object to not fill Nim stack
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let encoded = readFileBytes(dir/"serialized.ssz")
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var deserialized = newClone(sszDecodeEntireInput(encoded, T))
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# SignedBeaconBlocks usually not hashed because they're identified by
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# htr(BeaconBlock), so do it manually
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check: expectedHash.root == "0x" & toLowerASCII($hash_tree_root(
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[hash_tree_root(deserialized.message),
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hash_tree_root(deserialized.signature)]))
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check deserialized.root == hash_tree_root(deserialized.message)
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check SSZ.encode(deserialized[]) == encoded
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check sszSize(deserialized[]) == encoded.len
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# TODO check the value (requires YAML loader)
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proc checkSSZ(T: type, dir: string, expectedHash: SSZHashTreeRoot) =
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# Deserialize into a ref object to not fill Nim stack
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let encoded = readFileBytes(dir/"serialized.ssz")
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var deserialized = newClone(sszDecodeEntireInput(encoded, T))
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check: expectedHash.root == "0x" & toLowerASCII($hash_tree_root(deserialized[]))
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check SSZ.encode(deserialized[]) == encoded
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check sszSize(deserialized[]) == encoded.len
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# TODO check the value (requires YAML loader)
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proc loadExpectedHashTreeRoot(dir: string): SSZHashTreeRoot =
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var s = openFileStream(dir/"roots.yaml")
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yaml.load(s, result)
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s.close()
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# Test runner
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# ----------------------------------------------------------------
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proc runSSZtests() =
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doAssert existsDir(SSZDir), "You need to run the \"download_test_vectors.sh\" script to retrieve the official test vectors."
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for pathKind, sszType in walkDir(SSZDir, relative = true):
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doAssert pathKind == pcDir
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timedTest &" Testing {sszType}":
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let path = SSZDir/sszType
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for pathKind, sszTestKind in walkDir(path, relative = true):
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doAssert pathKind == pcDir
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let path = SSZDir/sszType/sszTestKind
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for pathKind, sszTestCase in walkDir(path, relative = true):
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let path = SSZDir/sszType/sszTestKind/sszTestCase
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let hash = loadExpectedHashTreeRoot(path)
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case sszType:
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of "AggregateAndProof": checkSSZ(AggregateAndProof, path, hash)
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of "Attestation": checkSSZ(Attestation, path, hash)
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of "AttestationData": checkSSZ(AttestationData, path, hash)
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of "AttesterSlashing": checkSSZ(AttesterSlashing, path, hash)
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of "BeaconBlock": checkSSZ(BeaconBlock, path, hash)
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of "BeaconBlockBody": checkSSZ(BeaconBlockBody, path, hash)
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of "BeaconBlockHeader": checkSSZ(BeaconBlockHeader, path, hash)
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of "BeaconState": checkSSZ(BeaconState, path, hash)
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of "Checkpoint": checkSSZ(Checkpoint, path, hash)
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of "Deposit": checkSSZ(Deposit, path, hash)
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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)
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of "Eth1Data": checkSSZ(Eth1Data, path, hash)
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of "Fork": checkSSZ(Fork, path, hash)
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of "ForkData": checkSSZ(ForkData, path, hash)
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of "HistoricalBatch": checkSSZ(HistoricalBatch, path, hash)
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of "IndexedAttestation": checkSSZ(IndexedAttestation, path, hash)
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of "PendingAttestation": checkSSZ(PendingAttestation, path, hash)
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of "ProposerSlashing": checkSSZ(ProposerSlashing, path, hash)
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of "SignedAggregateAndProof":
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checkSSZ(SignedAggregateAndProof, path, hash)
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of "SignedBeaconBlock": checkSSZ(SignedBeaconBlock, path, hash)
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of "SignedBeaconBlockHeader":
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checkSSZ(SignedBeaconBlockHeader, path, hash)
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of "SignedVoluntaryExit": checkSSZ(SignedVoluntaryExit, path, hash)
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of "SigningData":
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checkSSZ(SigningData, path, hash)
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of "Validator": checkSSZ(Validator, path, hash)
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of "VoluntaryExit": checkSSZ(VoluntaryExit, path, hash)
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else:
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raise newException(ValueError, "Unsupported test: " & sszType)
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suiteReport "Official - SSZ consensus objects " & preset():
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runSSZtests()
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summarizeLongTests("FixtureSSZConsensus")
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