56 lines
1.7 KiB
Nim
56 lines
1.7 KiB
Nim
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# beacon_chain
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# Copyright (c) 2018 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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unittest, nimcrypto, eth_common, sequtils,
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../beacon_chain/ssz
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func filled[N: static[int], T](typ: type array[N, T], value: T): array[N, T] =
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for val in result.mitems:
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val = value
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func filled(T: type MDigest, value: byte): T =
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for val in result.data.mitems:
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val = value
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suite "Simple serialization":
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# pending spec updates in
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# - https://github.com/ethereum/eth2.0-specs
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# - https://github.com/ethereum/beacon_chain/blob/master/tests/ssz/test_deserialize.py
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# - https://github.com/ethereum/beacon_chain/tree/master/ssz
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type
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Foo = object
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f0: uint8
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f1: uint32
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f2: EthAddress
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f3: MDigest[256]
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f4: seq[byte]
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let expected_deser = Foo(
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f0: 5,
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f1: 0'u32 - 3,
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f2: EthAddress.filled(byte 35),
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f3: MDigest[256].filled(byte 35),
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f4: @[byte 'c'.ord, 'o'.ord, 'w'.ord]
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)
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var expected_ser = @[
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byte 5,
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'\xFF'.ord, '\xFF'.ord, '\xFF'.ord, '\xFD'.ord,
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]
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expected_ser &= EthAddress.filled(byte 35)
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expected_ser &= MDigest[256].filled(byte 35).data
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expected_ser &= [byte 0, 0, 0, 3, 'c'.ord, 'o'.ord, 'w'.ord]
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test "Deserialization":
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let deser = expected_ser.deserialize(Foo)
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check: expected_deser == deser
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test "Serialization":
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let ser = expected_deser.serialize()
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check: expected_ser == ser
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