public static string Encode(byte[] privateKey, byte prefix = MainNetPrefix)
{
if (privateKey.Length != PrivateKeySize)
{
throw new ArgumentException($"Value should contain {PrivateKeySize} bytes", nameof(privateKey));
}
return(Base58Check.Encode(new[] { prefix }.Concat(privateKey).ToArray()));
}
public static byte[] Decode(string wifPrivateKey, byte prefix = MainNetPrefix)
{
if (wifPrivateKey.Length > 2 * PrivateKeySize)
{
throw new ArgumentException($"Value seems to be unusually long, something probably went wrong", nameof(wifPrivateKey));
}
var bytes = Base58Check.Decode(wifPrivateKey);
if (bytes.Length != PrivateKeySize + 1)
{
throw new Exception($"Private key does not contain exactly {PrivateKeySize} bytes (not counting the prefix)");
}
if (prefix != bytes[0])
{
throw new Exception($"WIF private key is not prefixed with byte '{prefix.ToString("X2")}'");
}
return(bytes.Skip(1).ToArray());
}
