public static BigInteger CreateFromUnsignedBigEndianHexString(string value)
{
if (string.IsNullOrWhiteSpace(value))
{
throw new ArgumentException(nameof(value) + " is null or whitespace");
}
byte[] bytes = HexUtilities.HexStringToBytes(value);
return(CreateFromUnsignedBigEndianBytes(bytes));
}
public static string PositiveValToHexString(this BigInteger x, bool lowerCase = true)
{
var bytes = x.PositiveValToBigEndianBytes();
string hexString = HexUtilities.BytesToHexString(bytes, lowerCase);
if (hexString.StartsWith("0"))
{
return(hexString.Substring(1));
}
else
{
return(hexString);
}
}
public static string PositiveValToHexString(this BigInteger x, int minWidth, bool lowerCase = true)
{
var minBytes = minWidth / 2 + minWidth % 2;
var bytes = x.PositiveValToBigEndianBytes();
if (bytes.Length >= minBytes)
{
return(HexUtilities.BytesToHexString(bytes, lowerCase));
}
else
{
byte[] expanded = new byte[minBytes];
Buffer.BlockCopy(bytes, 0, expanded, expanded.Length - bytes.Length, bytes.Length);
string hexString = HexUtilities.BytesToHexString(expanded, lowerCase);
if (hexString.Length > minWidth)
{
return(hexString.Substring(1));
}
else
{
return(hexString);
}
}
}
public static PublicKey Parse(string hexString, bool testNet = false)
{
var bytes = HexUtilities.HexStringToBytes(hexString);
return(Parse(bytes, testNet));
}
public string GetPublicKeyHexString(bool lowerCase = true)
{
return(HexUtilities.BytesToHexString(GetPublicKeyBytes(), lowerCase));
}
