/// <summary>
/// Setups Global object
/// </summary>
/// <param name="settings">Application config</param>
/// <param name="storage">Permanent storage object</param>
public static async Task Setup(BaseSettings settings, IStorage storage)
{
ExtensionsManager = new ExtensionsManager();
Settings = settings ?? throw new ArgumentNullException(nameof(settings));
DynamicSerializersInitializer.Init();
IsAlpha = Settings is AlphaSettings;
PermanentStorage = storage;
await PermanentStorage.OpenConnection(settings.ConnectionString);
PersistenceManager = new PersistenceManager(PermanentStorage);
StellarNetwork = new StellarNetwork(Settings.NetworkPassphrase, Settings.HorizonUrl);
QuantumProcessor = new QuantumProcessorsStorage();
PendingUpdatesManager = new PendingUpdatesManager();
PendingUpdatesManager.OnBatchSaved += PendingUpdatesManager_OnBatchSaved;
AppState = IsAlpha ? new AlphaStateManager() : (StateManager) new AuditorStateManager();
AppState.StateChanged += AppState_StateChanged;
//try to load last settings, we need it to know current auditors
var lastHash = new byte[] { };
var lastApex = await PersistenceManager.GetLastApex();
if (lastApex >= 0)
{
var lastQuantum = await PersistenceManager.GetQuantum(lastApex);
lastHash = lastQuantum.Message.ComputeHash();
logger.Trace($"Last hash is {Convert.ToBase64String(lastHash)}");
var snapshot = await PersistenceManager.GetSnapshot(lastApex);
await Setup(snapshot);
if (IsAlpha)
{
AppState.State = ApplicationState.Rising;//Alpha should ensure that it has all quanta from auditors
}
else
{
AppState.State = ApplicationState.Running;
}
}
else
{
//if no snapshot, the app is in init state
AppState.State = ApplicationState.WaitingForInit;
}
var lastQuantumApex = lastApex < 0 ? 0 : lastApex;
QuantumStorage = IsAlpha
? (QuantumStorageBase) new AlphaQuantumStorage(lastQuantumApex, lastHash)
: new AuditorQuantumStorage(lastQuantumApex, lastHash);
QuantumHandler = new QuantumHandler(QuantumStorage.CurrentApex);
}
public virtual void Dispose()
{
PendingUpdatesManager?.Stop(TimeSpan.FromMilliseconds(0)); PendingUpdatesManager?.Dispose();
ExtensionsManager?.Dispose();
WithdrawalStorage?.Dispose();
TxListener?.Dispose();
}
public static async Task TearDown()
{
PendingUpdatesManager?.Stop(); PendingUpdatesManager?.Dispose();
AuditLedgerManager?.Dispose();
AuditResultManager?.Dispose();
await DisposeAnalyticsManager();
AuditLedgerManager?.Dispose();
AuditResultManager?.Dispose();
ExtensionsManager?.Dispose();
WithdrawalStorage?.Dispose();
}
protected virtual void AppState_StateChanged(StateChangedEventArgs stateChangedEventArgs)
{
var state = stateChangedEventArgs.State;
if (!(PendingUpdatesManager?.IsRunning ?? true) &&
(state == ApplicationState.Running ||
state == ApplicationState.Ready ||
state == ApplicationState.WaitingForInit))
{
PendingUpdatesManager?.Start();
}
}
private static void AppState_StateChanged(StateChangedEventArgs stateChangedEventArgs)
{
var state = stateChangedEventArgs.State;
if (!(PendingUpdatesManager?.IsRunning ?? true) &&
(state == ApplicationState.Running ||
state == ApplicationState.Ready ||
state == ApplicationState.WaitingForInit))
{
PendingUpdatesManager?.Start();
}
if (state != ApplicationState.Ready &&
stateChangedEventArgs.PrevState == ApplicationState.Ready) //close all connections (except auditors) if Alpha is not in Ready state
{
ConnectionManager.CloseAllConnections(false).Wait();
}
}
/// <param name="settings">Application config</param>
/// <param name="storage">Permanent storage object</param>
/// <param name="useLegacyOrderbook"></param>
public ExecutionContext(BaseSettings settings, IStorage storage, StellarDataProviderBase stellarDataProvider, bool useLegacyOrderbook = false)
{
PermanentStorage = storage ?? throw new ArgumentNullException(nameof(storage));
Settings = settings ?? throw new ArgumentNullException(nameof(settings));
StellarDataProvider = stellarDataProvider ?? throw new ArgumentNullException(nameof(settings));
ExtensionsManager = new ExtensionsManager(settings.ExtensionsConfigFilePath);
PersistenceManager = new PersistenceManager(PermanentStorage);
QuantumProcessor = new QuantumProcessorsStorage();
PendingUpdatesManager = new PendingUpdatesManager(this);
PendingUpdatesManager.OnBatchSaved += PendingUpdatesManager_OnBatchSaved;
QuantumStorage = new QuantumStorage();
this.useLegacyOrderbook = useLegacyOrderbook;
}
