public void AddGenesisBlock(string type)
{
switch (type)
{
case "credentrails":
BlockchainCredentials bcCredentials = new BlockchainCredentials();
Chain.Add(new Block(DateTime.Now, null, bcCredentials));
break;
case "data":
BlockchainData bcData = new BlockchainData();
Chain.Add(new Block(DateTime.Now, null, bcData));
break;
case "reports":
BlockchainReports bcReports = new BlockchainReports();
Chain.Add(new Block(DateTime.Now, null, bcReports));
break;
case "ratings":
BlockchainRatings bcRatings = new BlockchainRatings();
Chain.Add(new Block(DateTime.Now, null, bcRatings));
break;
}
}
public Block(DateTime timeStamp, string previousHash, BlockchainCredentials data)
{
Index = 0;
TimeStamp = timeStamp.ToString("yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'fffffff");
PreviousHash = previousHash;
DataCredentials = data;
Hash = CalculateHash();
}
private void BtnRegister_Click(object sender, RoutedEventArgs e)
{
if (string.IsNullOrEmpty(tbUserName.Text) || string.IsNullOrEmpty(tbPassword.Password))
{
MessageBox.Show("Login lub hasło nie mogą być puste!", "Ostrzeżenie", MessageBoxButton.OK, MessageBoxImage.Warning);
tbUserName.BorderBrush = Brushes.Red;
tbUserName.Background = Brushes.MistyRose;
tbPassword.Clear();
tbPassword.BorderBrush = Brushes.Red;
tbPassword.Background = Brushes.MistyRose;
return;
}
bool userExist = false;
foreach (var p in credentials.Chain)
{
if (p.DataCredentials.Login == tbUserName.Text)
{
userExist = true;
break;
}
}
if (userExist == false)
{
counter = 0;
acceptedRequest = 0;
acceptedAccount = false;
MessagePack mp = new MessagePack();
BlockchainCredentials bc = new BlockchainCredentials();
bc.Login = tbUserName.Text;
bc.Password = ComputeSha256Hash(tbPassword.Password);
mp.SmObj = new Block(DateTime.Now, null, bc);
mp.Text = "createNewUserRequest";
byte[] data = Blockchain.ObjectToByteArray(mp);
sendingClient.Send(data, data.Length);
MessageBox.Show("Prośba o dołączenie do systemu została wysłana do innych użytkowników. Zaczekaj, aż inni użytkownicy zaakceptują Twoją prośbę!", "Informacja", MessageBoxButton.OK, MessageBoxImage.Information);
tbUserName.BorderBrush = Brushes.Gray;
tbUserName.Background = Brushes.White;
tbPassword.BorderBrush = Brushes.Gray;
tbPassword.Background = Brushes.White;
}
else
{
MessageBox.Show("Użytkownik o podanym loginie istnieje już w systemie!", "Ostrzeżenie", MessageBoxButton.OK, MessageBoxImage.Warning);
tbUserName.BorderBrush = Brushes.Red;
tbUserName.Background = Brushes.MistyRose;
tbPassword.Clear();
tbPassword.BorderBrush = Brushes.Red;
tbPassword.Background = Brushes.MistyRose;
return;
}
}
public Block CreateCredentialsGenesisBlock()
{
BlockchainCredentials bc = new BlockchainCredentials();
return(new Block(DateTime.Now, null, bc));
}
public void AddCredentialsGenesisBlock() //W PRZYSZŁOŚCI DO USUNIĘCIA, OBSŁUGA MOŻE BYĆ ZASTĄPIONA POWYŻEJ
{
BlockchainCredentials bc = new BlockchainCredentials();
Chain.Add(new Block(DateTime.Now, null, bc));
}
private void BtnRegister_Click(object sender, RoutedEventArgs e)
{
if (string.IsNullOrEmpty(tbUserName.Text) || string.IsNullOrEmpty(tbPassword.Password))
{
MessageBox.Show("Uzupełnij wszystkie pola formularza logowania.", "Ostrzeżenie", MessageBoxButton.OK, MessageBoxImage.Warning);
tbUserName.BorderBrush = Brushes.Red;
tbUserName.Background = Brushes.MistyRose;
tbPassword.Clear();
tbPassword.BorderBrush = Brushes.Red;
tbPassword.Background = Brushes.MistyRose;
return;
}
bool userExist = false;
foreach (var p in credentials.Chain)
{
if (p.DataCredentials.Login == tbUserName.Text)
{
userExist = true;
break;
}
}
if (userExist == false)
{
counter = 0;
acceptedRequest = 0;
acceptedAccount = false;
MessagePack mp = new MessagePack();
BlockchainCredentials bc = new BlockchainCredentials();
bc.Login = tbUserName.Text;
bc.Password = ComputeSha256Hash(tbPassword.Password);
MessageBoxResult boxResult = MessageBox.Show("Czy chcesz pełnić rolę producenta informacji?", "Wybór roli", MessageBoxButton.YesNoCancel, MessageBoxImage.Question);
if (boxResult == MessageBoxResult.Yes)
{
bc.UserType = true;
}
else if (boxResult == MessageBoxResult.No)
{
bc.UserType = false;
}
else
{
return;
}
mp.SmObj = new Block(DateTime.Now, null, bc);
mp.Text = "createNewUserRequest";
byte[] data = Blockchain.ObjectToByteArray(mp);
sendingClient.Send(data, data.Length);
MessageBox.Show("Prośba o dołączenie do systemu została wysłana do innych użytkowników. Zaczekaj, aż inni użytkownicy zaakceptują Twoją prośbę!", "Informacja", MessageBoxButton.OK, MessageBoxImage.Information);
tbUserName.BorderBrush = Brushes.Gray;
tbUserName.Background = Brushes.White;
tbPassword.BorderBrush = Brushes.Gray;
tbPassword.Background = Brushes.White;
}
else
{
MessageBox.Show("Podany login jest już zajęty.", "Ostrzeżenie", MessageBoxButton.OK, MessageBoxImage.Warning);
tbUserName.BorderBrush = Brushes.Red;
tbUserName.Background = Brushes.MistyRose;
tbPassword.Clear();
tbPassword.BorderBrush = Brushes.Red;
tbPassword.Background = Brushes.MistyRose;
return;
}
}
