private async Task <IEnumerable <string> > GetContainersAsync(AccountNode accountNode)
{
if (!accountNode.HasChildren())
{
await LoadContainersAsync(accountNode);
}
return(accountNode.Nodes.OfType <ContainerNode>().Select(node => node.Name));
}
// Calculates the repulsion force between any two nodes in the diagram space.
private Vector CalcRepulsionForce(AccountNode x, AccountNode y)
{
int proximity = Math.Max(CalcDistance(x.Location, y.Location), 1);
// Coulomb's Law: F = k(Qq/r^2)
double force = -(REPULSION_CONSTANT / Math.Pow(proximity, 2));
double angle = GetBearingAngle(x.Location, y.Location);
return(new Vector(force, angle));
}
// Calculates the attraction force between two connected nodes, using the specified spring length.
private Vector CalcAttractionForce(AccountNode x, AccountNode y, double springLength)
{
int proximity = Math.Max(CalcDistance(x.Location, y.Location), 1);
// Hooke's Law: F = -kx
double force = ATTRACTION_CONSTANT * Math.Max(proximity - springLength, 0);
double angle = GetBearingAngle(x.Location, y.Location);
return(new Vector(force, angle));
}
private async Task LoadContainersAsync(AccountNode accountNode)
{
await DoActionAsync(tslAccountStatus, "Loading containers...", async() =>
{
var service = new BlobService(accountNode.Account.Name, accountNode.Account.Key);
var containers = await service.ListContainersAsync();
tvwObjects.BeginUpdate();
accountNode.LoadChildren(containers);
tvwObjects.EndUpdate();
});
}
private async void TbSearchContainers_KeyDown(object sender, KeyEventArgs e)
{
try
{
string searchText = tbSearchContainers.Text;
if (e.KeyCode == Keys.Enter)
{
if (!string.IsNullOrEmpty(searchText))
{
await DoActionAsync(tslAccountStatus, "Searching containers...", async() =>
{
tvwObjects.Nodes.Clear();
var root = AddRootNode();
foreach (var acc in _options.Accounts)
{
var service = new BlobService(acc.Name, acc.Key);
var containers = await service.ListContainersAsync(searchText);
if (containers.Any())
{
var accountNode = new AccountNode(acc);
root.Nodes.Add(accountNode);
tvwObjects.BeginUpdate();
accountNode.LoadChildren(containers);
tvwObjects.EndUpdate();
accountNode.Expand();
}
}
root.Expand();
});
}
else
{
FillAccounts();
}
}
}
catch (Exception exc)
{
MessageBox.Show(exc.Message);
}
}
private void btnNetIncome_Click(object sender, RoutedEventArgs e)
{
dpBalanceDate.Visibility = Visibility.Collapsed;
gridFilters.Visibility = Visibility.Collapsed;
tpTransactionPeriod.Visibility = Visibility.Visible;
cbGroupBy.Visibility = Visibility.Visible;
TreeList treeList = new TreeList();
AccountNode incomes = Accounts.ProfitLossReport("/2/", tpTransactionPeriod.StartDate, tpTransactionPeriod.EndDate);
AccountNode expenses = Accounts.ProfitLossReport("/3/", tpTransactionPeriod.StartDate, tpTransactionPeriod.EndDate);
AccountNode netIncome = new AccountNode();
netIncome.RootAccount = new AccountInfo(SqlHierarchyId.Parse("/4/"), "Net income", incomes.RootAccount.Balance + expenses.RootAccount.Balance);
treeList.Tree.Items.Add(incomes);
treeList.Tree.Items.Add(expenses);
treeList.Tree.Items.Add(netIncome);
bookkeeperPanel.Children.Clear();
bookkeeperPanel.Children.Add(treeList);
bookkeeperPanel.Tag = AccWindows.NetIncomeReport;
BuildChart();
}
public static void ExpandConnectionProperties(ConnectionNode connectionNode)
{
var accounts = BlockStudioProjectService.BlockStudioProject.Accounts;
connectionNode.Nodes[0].Nodes.Clear();
foreach (var account in accounts)
{
var accountNode = new AccountNode();
accountNode.Text = account.Label;
if (account.LockState == LockedState.Locked)
{
accountNode.ImageIndex = 3;
accountNode.SelectedImageIndex = 3;
}
else if (account.LockState == LockedState.Unlocked)
{
accountNode.ImageIndex = 4;
accountNode.SelectedImageIndex = 4;
}
else if (account.LockState == LockedState.WrongPassword)
{
accountNode.ImageIndex = 6;
accountNode.SelectedImageIndex = 6;
}
accountNode.Account = account;
accountNode.Name = NodeType.Account.ToString();
var addressNode = new AddressNode(account.Address);
var balanceNode = new BalanceNode(string.Format("Balance: {0} Eth", account.BalanceEther));
accountNode.Nodes.Add(addressNode);
accountNode.Nodes.Add(balanceNode);
connectionNode.Nodes[0].Nodes.Add(accountNode);
}
}
public static void ExpandConnectionProperties(ConnectionNode connectionNode)
{
var accounts = BlockStudioProjectService.BlockStudioProject.Accounts;
connectionNode.Nodes[0].Nodes.Clear();
foreach (var account in accounts)
{
var accountNode = new AccountNode();
accountNode.Text = account.Label;
if (account.LockState == LockedState.Locked)
{
accountNode.ImageIndex = 3;
accountNode.SelectedImageIndex = 3;
}
else if (account.LockState == LockedState.Unlocked)
{
accountNode.ImageIndex = 4;
accountNode.SelectedImageIndex = 4;
}
else if (account.LockState == LockedState.WrongPassword)
{
accountNode.ImageIndex = 6;
accountNode.SelectedImageIndex = 6;
}
accountNode.Account = account;
accountNode.Name = NodeType.Account.ToString();
var addressNode = new AddressNode(account.Address);
var balanceNode = new BalanceNode(string.Format("Balance: {0} Eth", account.BalanceEther));
accountNode.Nodes.Add(addressNode);
accountNode.Nodes.Add(balanceNode);
connectionNode.Nodes[0].Nodes.Add(accountNode);
}
}
public abstract string GetEquation(AccountNode _node);
public ReputationFunction(Network _network)
{
this.network = _network;
this.observerNode = _network.observerNode;
this.allNodes = _network.allNodes;
}
//This methods returns the equation to be solved to determine each node reputation score in string format.
//This equation will be solved by linear algebra library.
public override string GetEquation(AccountNode _node)
{
//Sets the self reputation value to the network's default.
float selfRep = network.defaultNodeReputation;
//If the observer node vouches for this node, then set it to 0 or 1 accordingly.
if (observerNode.vouches.ContainsKey(_node))
{
selfRep = observerNode.vouches[_node] ? 1 : 0;
}
string numerator = selfRep + "+";
//The first term of the denominator should be it's w
string denominator = "1+";
foreach (AccountNode _neighbour in _node.neighbours.Keys)
{
if (_neighbour.Equals(observerNode))
{
continue;
}
//If the neighbour has no path for or against to the observer, then dont take it into consideration.
if (!_neighbour.hasVouchForPath && !_neighbour.hasVouchAgainstPath)
{
continue;
}
float term = (_node.neighbours[_neighbour] ? 1 : 0);
//Invert it if arawahawhawanbz
if (!_neighbour.hasVouchForPath || !_neighbour.hasVouchForPath)
{
if (term == 1 && _neighbour.hasVouchForPath && !_neighbour.hasVouchForPath)
{
term = 0;
}
if (term == 0 && !_neighbour.hasVouchForPath && _neighbour.hasVouchForPath)
{
term = 1;
}
}
//The distance weight is calculated as 1/2^n, where n is the node's distance to the observer.
float distanceWeight = (float)(1 / Math.Pow(2, _neighbour.distanceFromObserver));
string weight = _neighbour.name + "*" + distanceWeight;
if (term > 0 && distanceWeight > 0)
{
numerator += weight + "+";
}
denominator += weight + "+";
}
numerator = numerator.TrimEnd('+');
denominator = denominator.TrimEnd('+');
string formula = "(" + numerator + ")/(" + denominator + ")";
return(formula + "-" + _node.name);
}
public Point NextPosition; // the node's position after the next iteration
/// Initialises a new instance of the Diagram.NodeLayoutInfo class, using the specified parameters.
public NodeLayoutInfo(AccountNode node, Vector velocity, Point nextPosition)
{
Node = node;
Velocity = velocity;
NextPosition = nextPosition;
}
public Diagram(List <AccountNode> _nodes, AccountNode _observer)
{
nodes = _nodes;
observer = _observer;
Arrange();
}
private Node TryParseEPasaInternal(TokenType expectedToken, TextReader reader, ref EPasaErrorCode error, string prefix = null, string postFix = null)
{
Node result = null;
if (error != EPasaErrorCode.Success)
{
return(null);
}
if (prefix != null)
{
foreach (var prefixChar in prefix)
{
if (!reader.MatchChar(prefixChar))
{
error = EPasaErrorCode.BadFormat;
return(null);
}
}
}
switch (expectedToken)
{
case TokenType.EPASA:
result = new EPasaNode {
Type = TokenType.EPASA,
Account = TryParseEPasaInternal(TokenType.PASA, reader, ref error) as AccountNode,
Payload = TryParseEPasaInternal(TokenType.Payload, reader, ref error) as PayloadNode,
ExtendedChecksum = TryParseEPasaInternal(TokenType.ExtendedChecksum, reader, ref error) as ValueNode
};
if (!reader.MatchChar(null as char?))
{
// match end-of-string
error = EPasaErrorCode.BadFormat;
return(null);
}
break;
case TokenType.PASA:
if (IsStartChar(TokenType.AccountNumber, reader.PeekChar()))
{
result = TryParseEPasaInternal(TokenType.AccountNumber, reader, ref error);
}
else if (IsStartChar(TokenType.AccountName, reader.PeekChar()))
{
result = TryParseEPasaInternal(TokenType.AccountName, reader, ref error);
}
else
{
error = EPasaErrorCode.InvalidAccountNumber;
}
break;
case TokenType.AccountName:
result = new AccountNode {
Type = TokenType.AccountName,
Name = TryParseEPasaInternal(TokenType.Pascal64String, reader, ref error) as ValueNode
};
break;
case TokenType.AccountNumber:
result = new AccountNode {
Type = TokenType.AccountNumber,
AccountNo = TryParseEPasaInternal(TokenType.Number, reader, ref error) as ValueNode,
Checksum = TryParseEPasaInternal(TokenType.Checksum, reader, ref error) as ValueNode
};
break;
case TokenType.Checksum:
if (IsStartChar(TokenType.Checksum, reader.PeekChar()))
{
result = TryParseEPasaInternal(TokenType.Number, reader, ref error, prefix: "-") as ValueNode;
}
break;
case TokenType.Payload:
if (IsStartChar(TokenType.Payload, reader.PeekChar()))
{
result = new PayloadNode {
Type = TokenType.Payload
};
var payloadOpenChar = reader.ReadChar();
((PayloadNode)result).Content = TryParseEPasaInternal(TokenType.PayloadContent, reader, ref error) as ValueNode;
if (reader.PeekChar() == ':')
{
if (payloadOpenChar != '{')
{
error = EPasaErrorCode.UnusedPassword;
return(result);
}
((PayloadNode)result).Password = TryParseEPasaInternal(TokenType.PascalAsciiString, reader, ref error, prefix: ":") as ValueNode;
}
else if (payloadOpenChar == '{')
{
error = EPasaErrorCode.MissingPassword;
return(null);
}
var payloadEndChar = reader.PeekChar();
if (!payloadEndChar.IsIn(']', ')', '>', '}'))
{
error = EPasaErrorCode.BadFormat;
return(null);
}
char?expectedEndChar = null;
switch (payloadOpenChar)
{
case '[':
((PayloadNode)result).Encryption = PayloadType.Public;
expectedEndChar = ']';
break;
case '(':
((PayloadNode)result).Encryption = PayloadType.RecipientKeyEncrypted;
expectedEndChar = ')';
break;
case '<':
((PayloadNode)result).Encryption = PayloadType.SenderKeyEncrypted;
expectedEndChar = '>';
break;
case '{':
((PayloadNode)result).Encryption = PayloadType.PasswordEncrypted;
expectedEndChar = '}';
break;
default:
throw new InternalErrorException("Implementation Error");
}
if (reader.PeekChar() != expectedEndChar)
{
error = EPasaErrorCode.MismatchedPayloadEncoding;
return(null);
}
if (!reader.MatchChar(']', ')', '>', '}'))
{
error = EPasaErrorCode.BadFormat;
return(null);
}
}
break;
case TokenType.PayloadContent:
var contentStartChar = reader.PeekChar();
if (contentStartChar == '"')
{
result = TryParseEPasaInternal(TokenType.PascalAsciiString, reader, ref error, prefix: "\"", postFix: "\"") as ValueNode;
}
else if (IsStartChar(TokenType.HexString, contentStartChar))
{
result = TryParseEPasaInternal(TokenType.HexString, reader, ref error, prefix: "0x") as ValueNode;
}
else if (IsStartChar(TokenType.Base58String, contentStartChar))
{
result = TryParseEPasaInternal(TokenType.Base58String, reader, ref error) as ValueNode;
}
else
{
// unrecognized content, assume empty
}
break;
case TokenType.ExtendedChecksum:
if (reader.PeekChar() == ':')
{
result = TryParseEPasaInternal(TokenType.HexString, reader, ref error, prefix: ":") as ValueNode;
}
break;
case TokenType.PascalAsciiString:
case TokenType.Pascal64String:
result = new ValueNode {
Type = expectedToken,
Value = string.Empty
};
if (!IsStartChar(expectedToken, reader.PeekChar()))
{
// first character is a non-character, assume empty string
return(result);
}
var escapedValue = string.Empty;
do
{
if (reader.PeekChar() == GetEscapeChar(expectedToken))
{
escapedValue += reader.ReadChar();
if (!IsEscapedChar(expectedToken, reader.PeekChar()))
{
error = EPasaErrorCode.BadFormat; // illegal escape sequence
return(result);
}
}
else if (IsEscapedChar(expectedToken, reader.PeekChar()))
{
// encountered a character that needs escaping
// assume end of token
break;
}
escapedValue += reader.ReadChar();
} while (IsValidValueChar(expectedToken, reader.PeekChar()));
((ValueNode)result).Value = escapedValue;
break;
case TokenType.HexString:
case TokenType.Base58String:
case TokenType.Number:
result = new ValueNode {
Type = expectedToken,
Value = string.Empty
};
while (IsValidValueChar(expectedToken, reader.PeekChar()))
{
((ValueNode)result).Value = ((ValueNode)result).Value + reader.ReadChar();
}
break;
default:
throw new ArgumentOutOfRangeException(nameof(expectedToken), expectedToken, null);
}
if (error == EPasaErrorCode.Success && postFix != null)
{
foreach (var postfixChar in postFix)
{
if (!reader.MatchChar(postfixChar))
{
error = EPasaErrorCode.BadFormat;
return(null);
}
}
}
return(result);
}
