private void OnSyncedWallet(Wallet wallet)
{
var accountBalances = wallet.CalculateBalances(2); // TODO: configurable confirmations
var accountViewModels = wallet.EnumerateAccounts()
.Zip(accountBalances, (a, bals) => new AccountViewModel(a.Item1, a.Item2, bals))
.ToList();
var txSet = wallet.RecentTransactions;
var recentTx = txSet.UnminedTransactions
.Select(x => new TransactionViewModel(wallet, x.Value, BlockIdentity.Unmined))
.Concat(txSet.MinedTransactions.ReverseList().SelectMany(b => b.Transactions.Select(tx => new TransactionViewModel(wallet, tx, b.Identity))))
.Take(10);
var overviewViewModel = (OverviewViewModel)SingletonViewModelLocator.Resolve("Overview");
App.Current.Dispatcher.Invoke(() =>
{
foreach (var vm in accountViewModels)
{
Accounts.Add(vm);
}
foreach (var tx in recentTx)
{
overviewViewModel.RecentTransactions.Add(tx);
}
});
TotalBalance = wallet.TotalBalance;
TransactionCount = txSet.TransactionCount();
SyncedBlockHeight = wallet.ChainTip.Height;
SelectedAccount = accountViewModels[0];
BlocksUntilTicketPriceRetarget = BlockChain.BlocksUntilTicketPriceRetarget(SyncedBlockHeight, wallet.ActiveChain);
RaisePropertyChanged(nameof(TotalBalance));
RaisePropertyChanged(nameof(AccountNames));
overviewViewModel.AccountsCount = accountViewModels.Count();
var shell = (ShellViewModel)ViewModelLocator.ShellViewModel;
shell.StartupWizardVisible = false;
}
private void OnWalletChangesProcessed(object sender, Wallet.ChangesProcessedEventArgs e)
{
var wallet = (Wallet)sender;
var currentHeight = e.NewChainTip?.Height ?? SyncedBlockHeight;
// TODO: The OverviewViewModel should probably connect to this event. This could be
// done after the wallet is synced.
var overviewViewModel = ViewModelLocator.OverviewViewModel as OverviewViewModel;
if (overviewViewModel != null)
{
var movedTxViewModels = overviewViewModel.RecentTransactions
.Where(txvm => e.MovedTransactions.ContainsKey(txvm.TxHash))
.Select(txvm => Tuple.Create(txvm, e.MovedTransactions[txvm.TxHash]));
var newTxViewModels = e.AddedTransactions.Select(tx => new TransactionViewModel(wallet, tx.Item1, tx.Item2)).ToList();
foreach (var movedTx in movedTxViewModels)
{
var txvm = movedTx.Item1;
var location = movedTx.Item2;
txvm.Location = location;
txvm.Depth = BlockChain.Depth(currentHeight, location);
}
App.Current.Dispatcher.Invoke(() =>
{
foreach (var txvm in newTxViewModels)
{
overviewViewModel.RecentTransactions.Insert(0, txvm);
}
while (overviewViewModel.RecentTransactions.Count > 10)
{
overviewViewModel.RecentTransactions.RemoveAt(10);
}
});
}
// TODO: same.. in fact these tx viewmodels should be reused so changes don't need to be recalculated.
// It would be a good idea for this synchronzier viewmodel to manage these and hand them out to other
// viewmodels for sorting and organization.
var transactionHistoryViewModel = ViewModelLocator.TransactionHistoryViewModel as TransactionHistoryViewModel;
if (transactionHistoryViewModel != null)
{
foreach (var tx in transactionHistoryViewModel.Transactions)
{
var txvm = tx.Transaction;
BlockIdentity newLocation;
if (e.MovedTransactions.TryGetValue(txvm.TxHash, out newLocation))
{
txvm.Location = newLocation;
}
txvm.Depth = BlockChain.Depth(currentHeight, txvm.Location);
}
transactionHistoryViewModel.AppendNewTransactions(wallet, e.AddedTransactions);
}
foreach (var modifiedAccount in e.ModifiedAccountProperties)
{
var accountNumber = checked ((int)modifiedAccount.Key.AccountNumber);
var accountProperties = modifiedAccount.Value;
if (accountNumber < Accounts.Count)
{
Accounts[accountNumber].AccountProperties = accountProperties;
}
}
// TODO: this would be better if all new accounts were a field in the event message.
var newAccounts = e.ModifiedAccountProperties.
Where(kvp => kvp.Key.AccountNumber >= Accounts.Count && kvp.Key.AccountNumber != Wallet.ImportedAccountNumber).
OrderBy(kvp => kvp.Key.AccountNumber);
foreach (var modifiedAccount in newAccounts)
{
var accountNumber = checked ((int)modifiedAccount.Key.AccountNumber);
var accountProperties = modifiedAccount.Value;
// TODO: This is very inefficient because it recalculates balances of every account, for each new account.
var accountBalance = wallet.CalculateBalances(2)[accountNumber];
var accountViewModel = new AccountViewModel(modifiedAccount.Key, accountProperties, accountBalance);
App.Current.Dispatcher.Invoke(() => Accounts.Add(accountViewModel));
}
if (e.NewChainTip != null)
{
SyncedBlockHeight = e.NewChainTip.Value.Height;
var oldRetarget = BlocksUntilTicketPriceRetarget;
BlocksUntilTicketPriceRetarget = BlockChain.BlocksUntilTicketPriceRetarget(SyncedBlockHeight, wallet.ActiveChain);
if (BlocksUntilTicketPriceRetarget > oldRetarget)
{
Task.Run(async() =>
{
var sdiff = await WalletRpcClient.TicketPriceAsync();
await App.Current.Dispatcher.InvokeAsync(() => TicketPrice = sdiff);
}).ContinueWith(t =>
{
if (t.Exception != null)
{
MessageBox.Show(t.Exception.InnerException.Message, "Error querying ticket price");
}
});
}
}
if (e.AddedTransactions.Count != 0 || e.RemovedTransactions.Count != 0 || e.NewChainTip != null)
{
TotalBalance = wallet.TotalBalance;
TransactionCount += e.AddedTransactions.Count - e.RemovedTransactions.Count;
var balances = wallet.CalculateBalances(2); // TODO: don't hardcode confs
for (var i = 0; i < balances.Length; i++)
{
Accounts[i].Balances = balances[i];
}
}
}