/// <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;
}
public virtual async Task Init()
{
DynamicSerializersInitializer.Init();
await PermanentStorage.OpenConnection(Settings.ConnectionString);
//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();
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 application is in initialization state
AppState.State = ApplicationState.WaitingForInit;
}
var lastQuantumApex = lastApex < 0 ? 0 : lastApex;
QuantumStorage.Init(lastQuantumApex, lastHash);
QuantumHandler.Start();
}
