public static IEnumerable <object[]> GetBitvectorData()
{
yield return(new object[] {
new[] { true, true, false, true, false, true, false, false },
"2b",
HashUtility.Chunk(new byte[] { 0x2b }).ToArray()
});
yield return(new object[] {
new[] { false, true, false, true },
"0a",
HashUtility.Chunk(new byte[] { 0x0a }).ToArray()
});
yield return(new object[] {
new[] { false, true, false },
"02",
HashUtility.Chunk(new byte[] { 0x02 }).ToArray()
});
yield return(new object[] {
new[] { true, false, true, false, false, false, true, true, false, true },
"c502",
HashUtility.Chunk(new byte[] { 0xc5, 0x02 }).ToArray()
});
yield return(new object[] {
new[] { true, false, true, false, false, false, true, true,
false, true, false, false, false, false, true, true },
"c5c2",
HashUtility.Chunk(new byte[] { 0xc5, 0xc2 }).ToArray()
});
yield return(new object[] {
Enumerable.Repeat(true, 512).ToArray(),
new string('f', 64 * 2),
HashUtility.Hash(
Enumerable.Repeat((byte)0xff, 32).ToArray(),
Enumerable.Repeat((byte)0xff, 32).ToArray()
)
});
yield return(new object[] {
Enumerable.Repeat(true, 513).ToArray(),
new string('f', 64 * 2) + "01",
HashUtility.Hash(
HashUtility.Hash(
Enumerable.Repeat((byte)0xff, 32).ToArray(),
Enumerable.Repeat((byte)0xff, 32).ToArray()
),
HashUtility.Hash(
HashUtility.Chunk(new byte[] { 0x01 }).ToArray(),
new byte[32]
)
)
});
}
public void Can_merkleize_attestion_data()
{
// arrange
AttestationData attestationData = new AttestationData(
Slot.One,
new CommitteeIndex(2),
new Root(Enumerable.Repeat((byte)0x12, 32).ToArray()),
new Checkpoint(
new Epoch(3),
new Root(Enumerable.Repeat((byte)0x34, 32).ToArray())
),
new Checkpoint(
new Epoch(4),
new Root(Enumerable.Repeat((byte)0x56, 32).ToArray())
)
);
// act
Merkleizer merklezier = new Merkleizer(0);
merklezier.Feed(attestationData);
UInt256 root = merklezier.CalculateRoot();
Span <byte> bytes = MemoryMarshal.Cast <UInt256, byte>(MemoryMarshal.CreateSpan(ref root, 1));
// assert
byte[] expected = HashUtility.Hash(
HashUtility.Hash(
HashUtility.Hash(
HashUtility.Chunk(new byte[] { 0x01 }), // slot
HashUtility.Chunk(new byte[] { 0x02 }) // committee
),
HashUtility.Hash(
Enumerable.Repeat((byte)0x12, 32).ToArray(), // beacon block root
HashUtility.Hash( // source
HashUtility.Chunk(new byte[] { 0x03 }),
Enumerable.Repeat((byte)0x34, 32).ToArray()
)
)
),
HashUtility.Merge(
HashUtility.Hash( // target
HashUtility.Chunk(new byte[] { 0x04 }),
Enumerable.Repeat((byte)0x56, 32).ToArray()
),
HashUtility.ZeroHashes(0, 2)
)
).ToArray();
bytes.ToArray().ShouldBe(expected);
}
public void Can_merkleize_epoch_1()
{
// arrange
Epoch epoch = Epoch.One;
// act
Merkleizer merklezier = new Merkleizer(0);
merklezier.Feed(epoch);
UInt256 root = merklezier.CalculateRoot();
Span <byte> bytes = MemoryMarshal.Cast <UInt256, byte>(MemoryMarshal.CreateSpan(ref root, 1));
// assert
byte[] expected = HashUtility.Chunk(new byte[] { 0x1 }).ToArray();
bytes.ToArray().ShouldBe(expected);
}
public void Can_merkleize_deposit_data()
{
// arrange
DepositData depositData = new DepositData(
new BlsPublicKey(Enumerable.Repeat((byte)0x12, BlsPublicKey.Length).ToArray()),
new Bytes32(Enumerable.Repeat((byte)0x34, Bytes32.Length).ToArray()),
new Gwei(5),
new BlsSignature(Enumerable.Repeat((byte)0x67, BlsSignature.Length).ToArray())
);
// act
Merkle.Ize(out UInt256 root, depositData);
Span <byte> bytes = MemoryMarshal.Cast <UInt256, byte>(MemoryMarshal.CreateSpan(ref root, 1));
// assert
byte[] expected = HashUtility.Hash(
HashUtility.Hash(
HashUtility.Hash( // public key
Enumerable.Repeat((byte)0x12, 32).ToArray(),
HashUtility.Chunk(Enumerable.Repeat((byte)0x12, 16).ToArray())
),
Enumerable.Repeat((byte)0x34, Bytes32.Length).ToArray() // withdrawal credentials
),
HashUtility.Hash(
HashUtility.Chunk(new byte[] { 0x05 }), // amount
HashUtility.Hash( // signature
HashUtility.Hash(
Enumerable.Repeat((byte)0x67, 32).ToArray(),
Enumerable.Repeat((byte)0x67, 32).ToArray()
),
HashUtility.Hash(
Enumerable.Repeat((byte)0x67, 32).ToArray(),
Enumerable.Repeat((byte)0x00, 32).ToArray()
)
)
)
);
TestContext.WriteLine("root: {0:x}", root);
TestContext.WriteLine("bytes: {0}", bytes.ToHexString(true));
TestContext.WriteLine("expected: {0}", expected.ToHexString(true));
bytes.ToArray().ShouldBe(expected);
}
public void Can_merkleize_checkpoint()
{
// arrange
Checkpoint checkpoint = new Checkpoint(
new Epoch(3),
new Root(Enumerable.Repeat((byte)0x34, 32).ToArray())
);
// act
Merkle.Ize(out UInt256 root, checkpoint);
Span <byte> bytes = MemoryMarshal.Cast <UInt256, byte>(MemoryMarshal.CreateSpan(ref root, 1));
// assert
byte[] expected = HashUtility.Hash(
HashUtility.Chunk(new byte[] { 0x03 }),
Enumerable.Repeat((byte)0x34, 32).ToArray()
).ToArray();
bytes.ToArray().ShouldBe(expected);
}
public static IEnumerable <object[]> GetBitlistData()
{
yield return(new object[] {
new[] { true, true, false, true, false, true, false, false },
(ulong)8,
"2b01",
HashUtility.Hash(
HashUtility.Chunk(new byte[] { 0x2b }).ToArray(),
HashUtility.Chunk(new byte[] { 0x08 }).ToArray()
)
});
yield return(new object[] {
new[] { false, true, false, true },
(ulong)4,
"1a",
HashUtility.Hash(
HashUtility.Chunk(new byte[] { 0x0a }).ToArray(),
HashUtility.Chunk(new byte[] { 0x04 }).ToArray()
)
});
yield return(new object[] {
new[] { false, true, false },
(ulong)3,
"0a",
HashUtility.Hash(
HashUtility.Chunk(new byte[] { 0x02 }).ToArray(),
HashUtility.Chunk(new byte[] { 0x03 }).ToArray()
)
});
yield return(new object[] {
new[] { true, false, true, false, false, false, true, true, false, true },
(ulong)16,
"c506",
HashUtility.Hash(
HashUtility.Chunk(new byte[] { 0xc5, 0x02 }).ToArray(),
HashUtility.Chunk(new byte[] { 0x0a }).ToArray()
)
});
yield return(new object[] {
new[] { true, false, true, false, false, false, true, true,
false, true, false, false, false, false, true, true },
(ulong)16,
"c5c201",
HashUtility.Hash(
HashUtility.Chunk(new byte[] { 0xc5, 0xc2 }).ToArray(),
HashUtility.Chunk(new byte[] { 0x10 }).ToArray()
)
});
yield return(new object[] {
new[] { true },
(ulong)512,
"03",
HashUtility.Hash(
HashUtility.Hash(
HashUtility.Chunk(new byte[] { 0x01 }).ToArray(),
new byte[32]
),
HashUtility.Chunk(new byte[] { 0x01 }).ToArray()
)
});
yield return(new object[] {
Enumerable.Repeat(true, 512).ToArray(),
(ulong)512,
new string('f', 64 * 2) + "01",
HashUtility.Hash(
HashUtility.Hash(
Enumerable.Repeat((byte)0xff, 32).ToArray(),
Enumerable.Repeat((byte)0xff, 32).ToArray()
),
HashUtility.Chunk(new byte[] { 0x00, 0x02 }).ToArray()
)
});
yield return(new object[] {
Enumerable.Repeat(true, 513).ToArray(),
(ulong)513,
new string('f', 64 * 2) + "03",
HashUtility.Hash(
HashUtility.Hash(
HashUtility.Hash(
Enumerable.Repeat((byte)0xff, 32).ToArray(),
Enumerable.Repeat((byte)0xff, 32).ToArray()
),
HashUtility.Hash(
HashUtility.Chunk(new byte[] { 0x01 }).ToArray(),
new byte[32]
)
),
HashUtility.Chunk(new byte[] { 0x01, 0x02 }).ToArray()
)
});
}
