private static byte[] ParseAddressHash(CashFormat format, string str, Network expectedNetwork)
{
switch (format)
{
case CashFormat.Legacy:
var data = Encoders.Base58Check.DecodeData(str);
var versionBytes = expectedNetwork.GetVersionBytes(Base58Type.PUBKEY_ADDRESS, false);
if (versionBytes != null && data.StartWith(versionBytes))
{
if (data.Length == versionBytes.Length + 20)
{
return(data.Skip(versionBytes.Length).ToArray());
}
}
break;
case CashFormat.Cashaddr:
var cashaddr = CashAddr.Decode(str);
if (cashaddr.Prefix == expectedNetwork.Prefix)
{
return(cashaddr.Hash);
}
break;
default:
throw new ArgumentOutOfRangeException();
}
throw new FormatException();
}
private static string ValidateCashAddr(string str, ref Network expectedNetwork)
{
var data = CashAddr.Decode(str);
if (data.Type == BchAddr.CashType.P2PKH)
{
var networks = expectedNetwork == null?Network.GetNetworks() : new[] { expectedNetwork };
foreach (var network in networks)
{
if (data.Prefix == network.Prefix)
{
expectedNetwork = network;
return(str);
}
}
}
throw new FormatException("Invalid public key address.");
}
