96 lines
2.9 KiB
Nim
96 lines
2.9 KiB
Nim
# 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, sequtils, options,
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nimcrypto, eth/common, blscurve, serialization/testing/generic_suite,
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../beacon_chain/ssz, ../beacon_chain/spec/[datatypes, digest]
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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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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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f5: ValidatorIndex
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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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f5: ValidatorIndex(79))
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var expected_ser = @[
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byte 67, 0, 0, 0, # length
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5,
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0xFD, 0xFF, 0xFF, 0xFF,
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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 3, 0, 0, 0, 'c'.ord, 'o'.ord, 'w'.ord]
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expected_ser &= [byte 79, 0, 0]
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test "Object deserialization":
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let deser = SSZ.decode(expected_ser, Foo)
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check: expected_deser == deser
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test "Object serialization":
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let ser = SSZ.encode(expected_deser)
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check: expected_ser == ser
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test "Not enough data":
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expect SerializationError:
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let x = SSZ.decode(expected_ser[0..^2], Foo)
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expect SerializationError:
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let x = SSZ.decode(expected_ser[1..^1], Foo)
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test "ValidatorIndex roundtrip":
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# https://github.com/nim-lang/Nim/issues/10027
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let v = 79.ValidatorIndex
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let ser = SSZ.encode(v)
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check:
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ser.len() == 3
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SSZ.decode(ser, v.type) == v
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SSZ.roundripTest [1, 2, 3]
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SSZ.roundripTest @[1, 2, 3]
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SSZ.roundripTest SigKey.random().getKey()
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SSZ.roundripTest BeaconBlock(
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slot: 42.Slot, signature: sign(SigKey.random(), 0'u64, ""))
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SSZ.roundripTest BeaconState(slot: 42.Slot)
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# suite "Tree hashing":
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# # TODO The test values are taken from an earlier version of SSZ and have
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# # nothing to do with upstream - needs verification and proper test suite
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# test "Hash BeaconBlock":
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# let vr = BeaconBlock()
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# check:
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# $hash_tree_root(vr) ==
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# "8951C9C64ABA469EBA78F5D9F9A0666FB697B8C4D86901445777E4445D0B1543"
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# test "Hash BeaconState":
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# let vr = BeaconState()
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# check:
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# $hash_tree_root(vr) ==
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# "66F9BF92A690F1FBD36488D98BE70DA6C84100EDF935BC6D0B30FF14A2976455"
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