private static byte[] DeriveAddress(string hex)
{
if (hex == null)
{
throw new ArgumentNullException(nameof(hex));
}
if (hex.Length != 40)
{
throw new ArgumentException(
"address hex must be 40 bytes",
nameof(hex)
);
}
if (hex.ToLower() != hex && ToChecksumAddress(hex.ToLower()) != hex)
{
throw new ArgumentException(
"address checksum is invalid",
nameof(hex)
);
}
try
{
return(ByteUtil.ParseHex(hex));
}
catch (FormatException)
{
throw new ArgumentException(
"address hex must only consist of ASCII characters"
);
}
}
public static HashDigest <T> FromString(string hexDigest)
{
if (hexDigest == null)
{
throw new ArgumentNullException(nameof(hexDigest));
}
if (hexDigest.Length != Size * 2)
{
string message =
$"HashDigest<{typeof(T).Name}> requires {Size * 2} " +
$"hexadecimal letters, but {hexDigest.Length} was given";
throw new ArgumentOutOfRangeException(
nameof(hexDigest),
message
);
}
return(new HashDigest <T>(ByteUtil.ParseHex(hexDigest)));
}
public static HashDigest <T> FromString(string s)
{
return(new HashDigest <T>(ByteUtil.ParseHex(s)));
}
