120 lines
3.3 KiB
Nim
120 lines
3.3 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, nimcrypto, eth/common, sequtils, options, blscurve,
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../beacon_chain/ssz, ../beacon_chain/spec/datatypes
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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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)
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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 = expected_ser.deserialize(Foo).get()
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check: expected_deser == deser
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test "Object serialization":
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let ser = expected_deser.serialize()
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check: expected_ser == ser
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test "Not enough data":
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check:
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expected_ser[0..^2].deserialize(Foo).isNone()
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expected_ser[1..^1].deserialize(Foo).isNone()
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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 = v.serialize()
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check:
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ser.len() == 3
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deserialize(ser, type(v)).get() == v
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test "Array roundtrip":
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let v = [1, 2, 3]
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let ser = v.serialize()
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check:
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deserialize(ser, type(v)).get() == v
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test "Seq roundtrip":
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let v = @[1, 2, 3]
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let ser = v.serialize()
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check:
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deserialize(ser, type(v)).get() == v
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test "Key roundtrip":
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let v = SigKey.random().getKey()
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let ser = v.serialize()
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check:
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deserialize(ser, type(v)).get() == v
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# Just to see that we can serialize stuff at all
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test "Roundtrip main eth2 types":
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let
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bb = BeaconBlock(
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slot: 42,
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signature: sign(SigKey.random(), 0'u64, "")
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)
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bs = BeaconState(slot: 42)
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check:
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bb.serialize().deserialize(BeaconBlock).get() == bb
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bs.serialize().deserialize(BeaconState).get() == bs
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suite "Tree hashing":
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# TODO Nothing but smoke tests for now..
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test "Hash Validator":
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let vr = Validator()
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check: hash_tree_root(vr).len > 0
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test "Hash BeaconBlock":
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## TODO: Test genesis hash when spec is updated
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let bb = BeaconBlock()
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check: hash_tree_root(bb).len > 0
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test "Hash integer":
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check: hash_tree_root(0x01'u32) == [1'u8, 0, 0, 0] # little endian!
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check: hash_tree_root(ValidatorIndex(0x01)) == [1'u8, 0, 0] # little endian!
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