private static FixedTestStruct DecodeFixTestStruct(Span <byte> span)
{
FixedTestStruct testStruct = new FixedTestStruct();
testStruct.A = Nethermind.Ssz.Ssz.DecodeByte(span.Slice(0, 1));
testStruct.B = Nethermind.Ssz.Ssz.DecodeULong(span.Slice(1, 8));
testStruct.C = Nethermind.Ssz.Ssz.DecodeUInt(span.Slice(9, 4));
return(testStruct);
}
private static FixedTestStruct ParseFixedTestStruct(YamlMappingNode mappingNode)
{
FixedTestStruct testStruct = new FixedTestStruct();
testStruct.A = byte.Parse(((YamlScalarNode)mappingNode.Children["A"]).Value);
testStruct.B = ulong.Parse(((YamlScalarNode)mappingNode.Children["B"]).Value);
testStruct.C = uint.Parse(((YamlScalarNode)mappingNode.Children["C"]).Value);
return(testStruct);
}
private static bool RunGenericSszTests(string category)
{
bool success = true;
string[] valid = Directory.GetDirectories(Path.Combine("generic", category, "valid"));
string[] invalid = Directory.GetDirectories(Path.Combine("generic", category, "invalid"));
foreach (string validDir in valid)
{
TestContext.Out.WriteLine(validDir);
string[] files = Directory.GetFiles(validDir);
(YamlNode valueNode, YamlNodeType valueType) = LoadValue(Path.Combine(validDir, "value.yaml"));
(YamlNode merkleRootYaml, _) = LoadValue(Path.Combine(validDir, "meta.yaml"));
UInt256.CreateFromLittleEndian(out UInt256 expectedMerkleRoot, Bytes.FromHexString(((YamlScalarNode)merkleRootYaml["root"]).Value));
Span <byte> output = null;
Span <byte> ssz = File.ReadAllBytes(Path.Combine(validDir, "serialized.ssz"));
if (valueType == YamlNodeType.Sequence)
{
YamlSequenceNode sequenceNode = (YamlSequenceNode)valueNode;
if (validDir.Contains("bool"))
{
bool[] value = sequenceNode.Children.Cast <YamlScalarNode>().Select(sn => bool.Parse(sn?.Value ?? "false")).ToArray();
bool[] valueFromSsz = Nethermind.Ssz.Ssz.DecodeBools(ssz).ToArray();
output = new byte[value.Length];
Nethermind.Ssz.Ssz.Encode(output, value);
byte[] clone = output.ToArray();
Nethermind.Ssz.Ssz.Encode(output, valueFromSsz);
Assert.AreEqual(clone.ToHexString(), output.ToHexString(), "ssz");
Merkle.Ize(out UInt256 root, valueFromSsz);
Assert.AreEqual(expectedMerkleRoot, root);
}
else if (validDir.Contains("uint256"))
{
UInt256[] value = sequenceNode.Children.Cast <YamlScalarNode>().Select(sn => UInt256.Parse(sn.Value)).ToArray();
UInt256[] valueFromSsz = Nethermind.Ssz.Ssz.DecodeUInts256(ssz);
output = new byte[value.Length * 32];
Nethermind.Ssz.Ssz.Encode(output, value);
byte[] clone = output.ToArray();
Nethermind.Ssz.Ssz.Encode(output, valueFromSsz);
Assert.AreEqual(clone.ToHexString(), output.ToHexString(), "ssz");
Merkle.Ize(out UInt256 root, valueFromSsz);
Assert.AreEqual(expectedMerkleRoot, root);
}
else if (validDir.Contains("uint128"))
{
UInt128[] value = sequenceNode.Children.Cast <YamlScalarNode>().Select(sn => UInt128.Parse(sn.Value)).ToArray();
UInt128[] valueFromSsz = Nethermind.Ssz.Ssz.DecodeUInts128(ssz);
output = new byte[value.Length * 16];
Nethermind.Ssz.Ssz.Encode(output, value);
byte[] clone = output.ToArray();
Nethermind.Ssz.Ssz.Encode(output, valueFromSsz);
Assert.AreEqual(clone.ToHexString(), output.ToHexString(), "ssz");
Merkle.Ize(out UInt256 root, valueFromSsz);
Assert.AreEqual(expectedMerkleRoot, root);
}
else if (validDir.Contains("uint64"))
{
ulong[] value = sequenceNode.Children.Cast <YamlScalarNode>().Select(sn => ulong.Parse(sn.Value ?? ulong.MinValue.ToString())).ToArray();
ulong[] valueFromSsz = Nethermind.Ssz.Ssz.DecodeULongs(ssz).ToArray();
output = new byte[value.Length * 8];
Nethermind.Ssz.Ssz.Encode(output, value);
byte[] clone = output.ToArray();
Nethermind.Ssz.Ssz.Encode(output, valueFromSsz);
Assert.AreEqual(clone.ToHexString(), output.ToHexString(), "ssz");
Merkle.Ize(out UInt256 root, valueFromSsz);
Assert.AreEqual(expectedMerkleRoot, root);
}
else if (validDir.Contains("uint32"))
{
uint[] value = sequenceNode.Children.Cast <YamlScalarNode>().Select(sn => uint.Parse(sn.Value ?? uint.MinValue.ToString())).ToArray();
uint[] valueFromSsz = Nethermind.Ssz.Ssz.DecodeUInts(ssz).ToArray();
output = new byte[value.Length * 4];
Nethermind.Ssz.Ssz.Encode(output, value);
byte[] clone = output.ToArray();
Nethermind.Ssz.Ssz.Encode(output, valueFromSsz);
Assert.AreEqual(clone.ToHexString(), output.ToHexString(), "ssz");
Merkle.Ize(out UInt256 root, valueFromSsz);
Assert.AreEqual(expectedMerkleRoot, root);
}
else if (validDir.Contains("uint16"))
{
ushort[] value = sequenceNode.Children.Cast <YamlScalarNode>().Select(sn => ushort.Parse(sn.Value ?? ushort.MinValue.ToString())).ToArray();
ushort[] valueFromSsz = Nethermind.Ssz.Ssz.DecodeUShorts(ssz).ToArray();
output = new byte[value.Length * 2];
Nethermind.Ssz.Ssz.Encode(output, value);
byte[] clone = output.ToArray();
Nethermind.Ssz.Ssz.Encode(output, valueFromSsz);
Assert.AreEqual(clone.ToHexString(), output.ToHexString(), "ssz");
Merkle.Ize(out UInt256 root, valueFromSsz);
Assert.AreEqual(expectedMerkleRoot, root);
}
else if (validDir.Contains("uint8"))
{
byte[] value = sequenceNode.Children.Cast <YamlScalarNode>().Select(sn => byte.Parse(sn.Value ?? byte.MinValue.ToString())).ToArray();
byte[] valueFromSsz = Nethermind.Ssz.Ssz.DecodeBytes(ssz).ToArray();
output = new byte[value.Length];
Nethermind.Ssz.Ssz.Encode(output, value);
byte[] clone = output.ToArray();
Nethermind.Ssz.Ssz.Encode(output, valueFromSsz);
Assert.AreEqual(clone.ToHexString(), output.ToHexString(), "ssz");
Merkle.Ize(out UInt256 root, valueFromSsz);
Assert.AreEqual(expectedMerkleRoot, root);
}
}
else if (valueType == YamlNodeType.Scalar)
{
if (validDir.Contains("bitvec") || validDir.Contains("bitlist"))
{
uint limit = 0;
Match match = Regex.Match(validDir, "bitlist_(\\d+)", RegexOptions.IgnoreCase);
if (match.Success)
{
limit = (uint.Parse(match.Groups[1].Value) + 255) / 256;
}
byte[] value = Bytes.FromHexString(((YamlScalarNode)valueNode).Value);
byte[] valueFromSsz = Nethermind.Ssz.Ssz.DecodeBytes(ssz).ToArray();
output = new byte[value.Length];
Nethermind.Ssz.Ssz.Encode(output, value);
byte[] clone = output.ToArray();
Nethermind.Ssz.Ssz.Encode(output, valueFromSsz);
Assert.AreEqual(clone.ToHexString(), output.ToHexString(), "ssz");
UInt256 root;
if (validDir.Contains("bitvec"))
{
Merkle.Ize(out root, valueFromSsz);
}
else
{
Merkle.IzeBits(out root, valueFromSsz, limit);
}
Assert.AreEqual(expectedMerkleRoot, root);
}
else if (validDir.Contains("boolean"))
{
string yamlValue = ((YamlScalarNode)valueNode)?.Value;
bool? value = yamlValue is null ? null : (bool?)bool.Parse(yamlValue);
bool? valueFromSsz = Nethermind.Ssz.Ssz.DecodeBool(ssz);
Assert.AreEqual(value, valueFromSsz);
output = new byte[1];
output[0] = Nethermind.Ssz.Ssz.Encode(value ?? false);
Merkle.Ize(out UInt256 root, valueFromSsz ?? false);
Assert.AreEqual(expectedMerkleRoot, root);
}
else if (validDir.Contains("uint_256"))
{
UInt256 value = UInt256.Parse(((YamlScalarNode)valueNode).Value);
UInt256 valueFromSsz = Nethermind.Ssz.Ssz.DecodeUInt256(ssz);
Assert.AreEqual(value, valueFromSsz);
output = new byte[32];
Nethermind.Ssz.Ssz.Encode(output, value);
Merkle.Ize(out UInt256 root, valueFromSsz);
Assert.AreEqual(expectedMerkleRoot, root);
}
else if (validDir.Contains("uint_128"))
{
UInt128 value = UInt128.Parse(((YamlScalarNode)valueNode).Value);
UInt128 valueFromSsz = Nethermind.Ssz.Ssz.DecodeUInt128(ssz);
Assert.AreEqual(value, valueFromSsz);
output = new byte[16];
Nethermind.Ssz.Ssz.Encode(output, value);
Merkle.Ize(out UInt256 root, valueFromSsz);
Assert.AreEqual(expectedMerkleRoot, root);
}
else if (validDir.Contains("uint_64"))
{
ulong value = ulong.Parse(((YamlScalarNode)valueNode).Value);
ulong valueFromSsz = Nethermind.Ssz.Ssz.DecodeULong(ssz);
Assert.AreEqual(value, valueFromSsz);
output = new byte[8];
Nethermind.Ssz.Ssz.Encode(output, value);
Merkle.Ize(out UInt256 root, valueFromSsz);
Assert.AreEqual(expectedMerkleRoot, root);
}
else if (validDir.Contains("uint_32"))
{
uint value = uint.Parse(((YamlScalarNode)valueNode).Value);
uint valueFromSsz = Nethermind.Ssz.Ssz.DecodeUInt(ssz);
Assert.AreEqual(value, valueFromSsz);
output = new byte[4];
Nethermind.Ssz.Ssz.Encode(output, value);
Merkle.Ize(out UInt256 root, valueFromSsz);
Assert.AreEqual(expectedMerkleRoot, root);
}
else if (validDir.Contains("uint_16"))
{
ushort value = ushort.Parse(((YamlScalarNode)valueNode).Value);
ushort valueFromSsz = Nethermind.Ssz.Ssz.DecodeUShort(ssz);
Assert.AreEqual(value, valueFromSsz);
output = new byte[2];
Nethermind.Ssz.Ssz.Encode(output, value);
Merkle.Ize(out UInt256 root, valueFromSsz);
Assert.AreEqual(expectedMerkleRoot, root);
}
else if (validDir.Contains("uint_8"))
{
byte value = byte.Parse(((YamlScalarNode)valueNode).Value);
byte valueFromSsz = Nethermind.Ssz.Ssz.DecodeByte(ssz);
Assert.AreEqual(value, valueFromSsz);
output = new byte[1];
Nethermind.Ssz.Ssz.Encode(output, value);
Merkle.Ize(out UInt256 root, valueFromSsz);
Assert.AreEqual(expectedMerkleRoot, root);
}
}
else if (valueType == YamlNodeType.Mapping)
{
var mappingNode = (YamlMappingNode)valueNode;
if (validDir.Contains("BitsStruct"))
{
BitsStruct testStruct = ParseBitsStruct(mappingNode);
BitsStruct testStructFromSsz = DecodeBitsStruct(ssz);
output = new byte[13];
Encode(output, testStruct);
byte[] clone = output.ToArray();
Encode(output, testStructFromSsz);
Assert.AreEqual(clone.ToHexString(), output.ToHexString(), "ssz");
}
else if (validDir.Contains("SmallTestStruct"))
{
SmallTestStruct testStruct = ParseSmallTestStruct(mappingNode);
SmallTestStruct testStructFromSsz = DecodeSmallTestStruct(ssz);
output = new byte[4];
Encode(output, testStruct);
byte[] clone = output.ToArray();
Encode(output, testStructFromSsz);
Assert.AreEqual(clone.ToHexString(), output.ToHexString(), "ssz");
}
else if (validDir.Contains("SingleFieldTestStruct"))
{
SingleFieldTestStruct testStruct = new SingleFieldTestStruct();
SingleFieldTestStruct testStructFromSsz = DecodeSingleFieldTestStruct(ssz);
testStruct.A = byte.Parse(((YamlScalarNode)mappingNode.Children["A"]).Value);
output = new byte[1];
Encode(output, testStruct);
byte[] clone = output.ToArray();
Encode(output, testStructFromSsz);
Assert.AreEqual(clone.ToHexString(), output.ToHexString(), "ssz");
}
else if (validDir.Contains("VarTestStruct"))
{
VarTestStruct testStruct = ParseVarTestStruct(mappingNode);
VarTestStruct testStructFromSsz = DecodeVarTestStruct(ssz);
output = new byte[7 + testStruct.B.Length * 2];
Encode(output, testStruct);
byte[] clone = output.ToArray();
Encode(output, testStructFromSsz);
Assert.AreEqual(clone.ToHexString(), output.ToHexString(), "ssz");
}
else if (validDir.Contains("FixedTestStruct"))
{
FixedTestStruct testStruct = ParseFixedTestStruct(mappingNode);
FixedTestStruct testStructFromSsz = DecodeFixTestStruct(ssz);
output = new byte[13];
Encode(output, testStruct);
byte[] clone = output.ToArray();
Encode(output, testStructFromSsz);
Assert.AreEqual(clone.ToHexString(), output.ToHexString(), "ssz");
}
else if (validDir.Contains("ComplexTestStruct"))
{
ComplexTestStruct testStruct = ParseComplexTestStruct(mappingNode);
output = new byte[8236];
Encode(ref output, testStruct);
}
}
if (ssz.ToHexString() != output.ToHexString())
{
TestContext.Out.WriteLine($" expected {ssz.ToHexString()}");
TestContext.Out.WriteLine($" actual {output.ToHexString()}");
success = false;
}
}
return(success);
}
private static void Encode(Span <byte> span, FixedTestStruct testStruct)
{
Nethermind.Ssz.Ssz.Encode(span.Slice(0, 1), testStruct.A);
Nethermind.Ssz.Ssz.Encode(span.Slice(1, 8), testStruct.B);
Nethermind.Ssz.Ssz.Encode(span.Slice(9, 4), testStruct.C);
}
