/// <summary>
/// Method Parse receives a big-endian hex string and stores as a UInt160 or UInt256 little-endian byte array
/// Example: Parse("0xa400ff00ff00ff00ff00ff00ff00ff00ff00ff01") should create UInt160 01ff00ff00ff00ff00ff00ff00ff00ff00ff00a4
/// </summary>
public static UIntBase Parse(string s)
{
if (s.Length == 40 || s.Length == 42)
{
return(UInt160.Parse(s));
}
else if (s.Length == 64 || s.Length == 66)
{
return(NEO_UInt256.Parse(s));
}
else
{
throw new FormatException();
}
}
///// <summary>
///// Method ToString returns a big-endian string starting by "0x" representing the little-endian unsigned int
///// Example: if this is storing 20-bytes 01ff00ff00ff00ff00ff00ff00ff00ff00ff00a4, ToString() should return "0xa400ff00ff00ff00ff00ff00ff00ff00ff00ff01"
///// </summary>
//public override string ToString() {
// return "0x" + this.ToArray().ToHexString(reverse: true);
//}
/// <summary>
/// Method TryParse tries to parse a big-endian hex string and stores it as a UInt160 or UInt256 little-endian bytes array
/// Example: TryParse("0xa400ff00ff00ff00ff00ff00ff00ff00ff00ff01", result) should create result UInt160 01ff00ff00ff00ff00ff00ff00ff00ff00ff00a4
/// </summary>
public static bool TryParse <T>(string s, out T result) where T : UIntBase
{
int size;
if (typeof(T) == typeof(UInt160))
{
size = 20;
}
else if (typeof(T) == typeof(NEO_UInt256))
{
size = 32;
}
else if (s.Length == 40 || s.Length == 42)
{
size = 20;
}
else if (s.Length == 64 || s.Length == 66)
{
size = 32;
}
else
{
size = 0;
}
if (size == 20)
{
if (UInt160.TryParse(s, out UInt160 r))
{
result = (T)(UIntBase)r;
return(true);
}
}
else if (size == 32)
{
if (NEO_UInt256.TryParse(s, out NEO_UInt256 r))
{
result = (T)(UIntBase)r;
return(true);
}
}
result = null;
return(false);
}