public static byte[] Encode(string?methodSignature, params dynamic[] values)
{
var encoder = new ContractEncoder(methodSignature, values);
if (values.GetType() == typeof(byte[][]))
{
encoder = encoder.Write((byte[][])values);
}
else
{
encoder = values.Aggregate(encoder, (current, value) => current.Write(value));
}
return(encoder.ToByteArray());
}
public object[] Decode(string signature)
{
var parts = signature.Split('(');
if (parts.Length == 1)
{
return(DecodeSimpleTypes(signature));
}
if (parts.Length == 2)
{
if (_binaryReaderStatic.ReadUInt32() != ContractEncoder.MethodSignatureAsInt(signature))
{
throw new ContractAbiException("Decoded ABI does not match method signature");
}
}
parts[1] = parts[1].TrimEnd(')');
if (parts[1] == "")
{
return(new object[] {});
}
var types = parts[1].Split(',');
var result = new List <object>(types.Length);
var staticInput = _inputData.Skip(4).Take(types.Length * 32).ToArray();
var dynamicInput = _inputData.Skip(4 + staticInput.Length).ToArray();
_binaryReaderStatic = new BinaryReader(new MemoryStream(staticInput));
_binaryReaderDynamic = new BinaryReader(new MemoryStream(dynamicInput));
result.AddRange(types.Select(type => type switch
{
"uint256" => (object)DecodeUInt256(),
"uint256[]" => DecodeUInt256List(),
"uint" => DecodeUInt256(),
"uint[]" => DecodeUInt256List(),
"address" => DecodeUInt160(),
"uint160" => DecodeUInt160(),
"address[]" => DecodeUInt160List(),
"uint160[]" => DecodeUInt160List(),
"bytes[]" => DecodeBytesList(),
"bytes" => DecodeBytes(),
_ => throw new ContractAbiException("Unsupported type in method signature (" + type + ")")
}));