83 lines
2.6 KiB
Nim
83 lines
2.6 KiB
Nim
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# beacon_chain
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# Copyright (c) 2018-Present 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 http://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at http://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,
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# Status libraries
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stint, stew/bitseqs,
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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/[datatypes, digest, crypto],
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../../beacon_chain/ssz
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# Config
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# ---------------------------------------------
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const
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FixturesDir = currentSourcePath.rsplit(DirSep, 1)[0] / ".." / "official"/"fixtures"
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SSZDir = FixturesDir/"tests-v0.9.1"/const_preset/"phase0"/"ssz_static"
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UnitTestDir = SSZDir/"Validator"/"ssz_zero"/"case_0"
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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: string
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# Make signing root optional
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setDefaultValue(SSZHashTreeRoot, signing_root, "")
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# Parsing + Test
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# ---------------------------------------------
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type Skip = enum
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SkipNone
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SkipHashTreeRoot
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SkipSigningRoot
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proc checkSSZ(T: typedesc, dir: string, expectedHash: SSZHashTreeRoot, skip = SkipNone) =
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# Deserialize into a ref object to not fill Nim stack
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var deserialized: ref T
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new deserialized
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deserialized[] = SSZ.loadFile(dir/"serialized.ssz", T)
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echo "\n\nObject: ", T
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echo "---------------------------------------"
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echo deserialized[]
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if not(skip == SkipHashTreeRoot):
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check: expectedHash.root == "0x" & toLowerASCII($deserialized.hashTreeRoot())
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if expectedHash.signing_root != "" and not(skip == SkipSigningRoot):
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check: expectedHash.signing_root == "0x" & toLowerASCII($deserialized[].signingRoot())
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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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# Manual checks
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# ---------------------------------------------
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# Compile with -d:ssz_testing for consensus objects
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# as they are always an Opaque Blob even if they might seem like a valid BLS signature
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echo "Current preset: ", const_preset
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let hash = loadExpectedHashTreeRoot(UnitTestDir)
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checkSSZ(Validator, UnitTestDir, hash)
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echo "\n\n"
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var deserialized: ref Validator
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new deserialized
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deserialized[] = SSZ.loadFile(UnitTestDir/"serialized.ssz", Validator)
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echo deserialized[].hashTreeRoot()
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