public static bool IsAddress(string _address, out byte?_version)
{
if (_address.ToLower().StartsWith("bc") || _address.ToLower().StartsWith("tb"))
{
_version = null; return(false);
}
return(Bitcoin.IsAddress(_address, out _version));
}
public static bool IsAddress(string _address, out byte?_version)
{
string _prefix = "";
if (_address.IndexOf(':') > 0)
{
_prefix = _address.Split(':')[0].ToLower();
_address = _address.Split(':')[1].ToLower();
}
if (_address.ToLower().StartsWith("bc1") || _address.ToLower().StartsWith("tb1"))
{
_version = null; return(false);
}
if (Bitcoin.IsAddress(_address, out _version))
{
return(true);
}
bool _mainnet = false;
if (_prefix == "bitcoincash" || _prefix == "")
{
_mainnet = true;
}
else if (_prefix == "bchtest")
{
_mainnet = false;
}
else
{
throw new Exception("Unexpected colon character.");
}
byte[] _decoded = new byte[42];
for (int i = 0; i < _decoded.Length; i++)
{
int value = DICT_CASHADDR[_address[i]];
if (value != -1)
{
_decoded[i] = (byte)value;
}
else
{
throw new Exception("Address contains unexpected character.");
}
}
_decoded = Bits5to8(_decoded);
bool _isP2PKH = false;
switch (_decoded[0])
{
case 0x00:
_isP2PKH = true;
break;
case 0x08:
_isP2PKH = false;
break;
default:
throw new Exception("Unexpected address byte.");
}
if (_mainnet && _isP2PKH)
{
_decoded[0] = 0x00;
}
else if (_mainnet && !_isP2PKH)
{
_decoded[0] = 0x05;
}
else if (!_mainnet && _isP2PKH)
{
_decoded[0] = 0x6f;
}
else
{
_decoded[0] = 0xc4;
}
_version = _decoded[0];
return(true);
}