public void Encode(Account account, RlpStream rlpStream, int?contentLength = null) { if (contentLength == null) { contentLength = GetContentLength(account); } rlpStream.StartSequence(contentLength.Value); rlpStream.Encode(account.Nonce); rlpStream.Encode(account.Balance); if (_slimFormat && !account.HasStorage) { rlpStream.EncodeEmptyByteArray(); } else { rlpStream.Encode(account.StorageRoot); } if (_slimFormat && !account.HasCode) { rlpStream.EncodeEmptyByteArray(); } else { rlpStream.Encode(account.CodeHash); } }