public static object[] GetParametersHex(string hexString, int parameters, List <System.Type> types)
{
var objects = new object[parameters];
for (int i = 0; i < parameters; i++)
{
objects[i] = EthereumAbiUtil.GetParameter(hexString, i, types[i]);
}
return(objects);
}
public static string EncodeEthereumFunctionCall(string funcSig, object[] parameters)
{
var keccak = new Sha3Keccak();
var hash = keccak.CalculateHash(funcSig);
var encodedFunc = EthereumAbiUtil.FirstFourBytesKeccak(hash);
foreach (var parameter in parameters)
{
if (parameter.GetType().Name == "Int32")
{
encodedFunc += EncodeInt32((Int32)parameter);
}
}
return(EthereumAbiUtil.EncodeAsJSON("0x" + encodedFunc));
}
public static object GetParameter(string hexString, int parameter, System.Type type)
{
string hs = hexString.RemoveHexPrefix();
if (type.Name == "String")
{
hs = hs.Substring(64 * parameter, 64);
hs = EthereumAbiUtil.StripPadding(hs);
return((String)hs);
}
else if (type.Name == "Int32")
{
hs = hs.Substring(64 * parameter, 64);
hs = EthereumAbiUtil.StripPadding(hs);
return(EthereumAbiUtil.ConvertToInt(hs));
}
else if (type.Name.Contains("List"))
{
// TODO this array variable actually says where the array parameter
// starts in bytes, we know its up next for now so just take the next
// one as a count
var array = hs.Substring(64 * parameter, 64);
var count = ConvertToInt(hs.Substring(64 * (parameter + 1), 64));
var list = new List <String>();
for (int i = 0; i < count; i++)
{
var str = hs.Substring(64 * (parameter + 2 + i), 64);
list.Add(str);
}
return(list);
}
return(hs);
}
