public void CreateFromString_TestOnlyBids()
{
var rawBookupdateMessage = TestSocketMessages.BookUpdateMessageOnlyBids;
var bookUpdateMessage = BookUpdateMessage.CreateFromString(rawBookupdateMessage);
Assert.NotNull(bookUpdateMessage);
Assert.Equal(1234, bookUpdateMessage.ChannelId);
Assert.Null(bookUpdateMessage.Asks);
Assert.NotNull(bookUpdateMessage.Bids);
Assert.Single(bookUpdateMessage.Bids);
}
public void CreateFromString_TestOnlyBids()
{
var rawBookupdateMessage = @"[1234,{""b"": [[""5541.30000"",""0.00000000"",""1534614335.345903""]]}]";
var bookUpdateMessage = BookUpdateMessage.CreateFromString(rawBookupdateMessage);
Assert.NotNull(bookUpdateMessage);
Assert.Equal(1234, bookUpdateMessage.ChannelId);
Assert.Null(bookUpdateMessage.Asks);
Assert.NotNull(bookUpdateMessage.Bids);
Assert.Single(bookUpdateMessage.Bids);
}
public void CreateFromString_TestOnlyAsks()
{
var rawBookupdateMessage = @"[1234,{""a"": [[""5541.30000"",""2.50700000"",""1534614248.456738""],[""5542.50000"",""0.40100000"",""1534614248.456738""]]}]";
var bookUpdateMessage = BookUpdateMessage.CreateFromString(rawBookupdateMessage);
Assert.NotNull(bookUpdateMessage);
Assert.Equal(1234, bookUpdateMessage.ChannelId);
Assert.NotNull(bookUpdateMessage.Asks);
Assert.Equal(2, bookUpdateMessage.Asks.Length);
Assert.Null(bookUpdateMessage.Bids);
}
public void CreateFromString_TestComplete()
{
var rawBookupdateMessage = TestSocketMessages.BookUpdateCompleteMessage;
var bookUpdateMessage = BookUpdateMessage.CreateFromString(rawBookupdateMessage);
Assert.NotNull(bookUpdateMessage);
Assert.Equal(1234, bookUpdateMessage.ChannelId);
Assert.NotNull(bookUpdateMessage.Asks);
Assert.Equal(2, bookUpdateMessage.Asks.Length);
Assert.NotNull(bookUpdateMessage.Bids);
Assert.Single(bookUpdateMessage.Bids);
}
public void CreateFromString_TestAsksRepublished()
{
var rawBookupdateMessage = TestSocketMessages.BookUpdateAsksRepublished;
var bookUpdateMessage = BookUpdateMessage.CreateFromString(rawBookupdateMessage);
Assert.NotNull(bookUpdateMessage);
Assert.Equal(1234, bookUpdateMessage.ChannelId);
Assert.NotNull(bookUpdateMessage.Asks);
Assert.Equal(2, bookUpdateMessage.Asks.Length);
Assert.Null(bookUpdateMessage.Bids);
#endregion
}
private void HandleData(KrakenMessageEventArgs eventArgs, SubscriptionStatus subscription)
{
var dataType = subscription.Subscription.Name;
if (dataType == SubscribeOptionNames.Ticker)
{
var tickerMessage = TickerMessage.CreateFromString(eventArgs.RawContent, subscription);
TickerReceived.InvokeAll(this, new TickerEventArgs(subscription.ChannelId.Value, subscription.Pair, tickerMessage));
}
if (dataType == SubscribeOptionNames.OHLC)
{
var ohlcMessage = OhlcMessage.CreateFromString(eventArgs.RawContent);
OhlcReceived.InvokeAll(this, new OhlcEventArgs(subscription.ChannelId.Value, subscription.Pair, ohlcMessage));
}
if (dataType == SubscribeOptionNames.Trade)
{
var tradeMessage = TradeMessage.CreateFromString(eventArgs.RawContent);
TradeReceived.InvokeAll(this, new TradeEventArgs(subscription.ChannelId.Value, subscription.Pair, tradeMessage));
}
if (dataType == SubscribeOptionNames.Spread)
{
var spreadMessage = SpreadMessage.CreateFromString(eventArgs.RawContent);
SpreadReceived.InvokeAll(this, new SpreadEventArgs(subscription.ChannelId.Value, subscription.Pair, spreadMessage));
}
if (dataType == SubscribeOptionNames.Book)
{
if (eventArgs.RawContent.Contains(@"""as"":") && eventArgs.RawContent.Contains(@"""bs"":"))
{
var bookSnapshotMessage = BookSnapshotMessage.CreateFromString(eventArgs.RawContent);
BookSnapshotReceived.InvokeAll(this, new KrakenDataEventArgs <BookSnapshotMessage>(eventArgs.ChannelId.Value, subscription.Pair, bookSnapshotMessage));
}
if (eventArgs.RawContent.Contains(@"""a"":") || eventArgs.RawContent.Contains(@"""b"":"))
{
var bookUpdateMessage = BookUpdateMessage.CreateFromString(eventArgs.RawContent);
BookUpdateReceived.InvokeAll(this, new KrakenDataEventArgs <BookUpdateMessage>(eventArgs.ChannelId.Value, subscription.Pair, bookUpdateMessage));
}
}
}
private void HandleIncomingMessage(object sender, KrakenMessageEventArgs eventArgs)
{
logger.LogDebug("Handling incoming '{event}' message", eventArgs.Event);
switch (eventArgs.Event)
{
case Heartbeat.EventName:
var heartbeat = serializer.Deserialize <Heartbeat>(eventArgs.RawContent);
logger.LogTrace("Heartbeat received: {heartbeat}", heartbeat);
HeartbeatReceived.InvokeAll(this, heartbeat);
break;
case SystemStatus.EventName:
var systemStatus = serializer.Deserialize <SystemStatus>(eventArgs.RawContent);
logger.LogTrace("System status changed: {systemStatus}", systemStatus);
SystemStatus = systemStatus;
SystemStatusChanged.InvokeAll(this, systemStatus);
break;
case SubscriptionStatus.EventName:
var subscriptionStatus = serializer.Deserialize <SubscriptionStatus>(eventArgs.RawContent);
logger.LogTrace("Subscription status changed: {subscriptionStatus}", subscriptionStatus);
SynchronizeSubscriptions(subscriptionStatus);
SubscriptionStatusChanged.InvokeAll(this, subscriptionStatus);
break;
case "data":
var subscription = Subscriptions.ContainsKey(eventArgs.ChannelId.Value) ? Subscriptions[eventArgs.ChannelId.Value] : null;
if (subscription == null)
{
logger.LogWarning("Didn't find a subscription for channelId {channelId}", eventArgs.ChannelId);
break;
}
var dataType = subscription.Subscription.Name;
if (dataType == SubscribeOptionNames.Ticker)
{
var tickerMessage = TickerMessage.CreateFromString(eventArgs.RawContent, subscription);
TickerReceived.InvokeAll(this, new TickerEventArgs(subscription.ChannelId.Value, subscription.Pair, tickerMessage));
}
if (dataType == SubscribeOptionNames.OHLC)
{
var ohlcMessage = OhlcMessage.CreateFromString(eventArgs.RawContent);
OhlcReceived.InvokeAll(this, new OhlcEventArgs(subscription.ChannelId.Value, subscription.Pair, ohlcMessage));
}
if (dataType == SubscribeOptionNames.Trade)
{
var tradeMessage = TradeMessage.CreateFromString(eventArgs.RawContent);
TradeReceived.InvokeAll(this, new TradeEventArgs(subscription.ChannelId.Value, subscription.Pair, tradeMessage));
}
if (dataType == SubscribeOptionNames.Spread)
{
var spreadMessage = SpreadMessage.CreateFromString(eventArgs.RawContent);
SpreadReceived.InvokeAll(this, new SpreadEventArgs(subscription.ChannelId.Value, subscription.Pair, spreadMessage));
}
if (dataType == SubscribeOptionNames.Book)
{
if (eventArgs.RawContent.Contains(@"""as"":") && eventArgs.RawContent.Contains(@"""bs"":"))
{
var bookSnapshotMessage = BookSnapshotMessage.CreateFromString(eventArgs.RawContent);
BookSnapshotReceived.InvokeAll(this, new KrakenDataEventArgs <BookSnapshotMessage>(eventArgs.ChannelId.Value, subscription.Pair, bookSnapshotMessage));
}
if (eventArgs.RawContent.Contains(@"""a"":") || eventArgs.RawContent.Contains(@"""b"":"))
{
var bookUpdateMessage = BookUpdateMessage.CreateFromString(eventArgs.RawContent);
BookUpdateReceived.InvokeAll(this, new KrakenDataEventArgs <BookUpdateMessage>(eventArgs.ChannelId.Value, subscription.Pair, bookUpdateMessage));
}
}
break;
default:
logger.LogWarning("Could not handle incoming message: {message}", eventArgs.RawContent);
break;
}
}
public async Task SaveAsync(BookMessage model)
{
bool inserted = false;
var book = await _db.Books.FilterTitle(model.Title).FirstOrDefaultAsync();
if (book == null)
{
inserted = true;
book = new Entities.Book();
}
book.Title = model.Title;
book.Language = model.Language;
if (model.Category != null)
{
var category = await _db.Categories.FirstOrDefaultAsync(x => x.Name == model.Category);
if (category == null)
{
category = new Entities.BookCategory();
category.Name = model.Category;
}
if (!book.Categories.Any(x => x.Category.Name == category.Name))
{
book.Categories.Add(new Entities.BookCategoryBook()
{
Category = category
});
}
}
var authorName = model.Author;
if (FeatureAddTableAtuthor.Get())
{
book.Author = await _db.Authors.FirstOrDefaultAsync(x => x.Name == authorName);
if (book.Author == null)
{
book.Author = new Entities.BookAuthor();
book.Author.Name = authorName;
}
}
else
{
book.AuthorName = authorName;
}
if (inserted)
{
await _db.AddAsync(book);
}
else
{
_db.Update(book);
}
await _db.SaveChangesAsync();
var message = new BookUpdateMessage
{
Id = book.Id,
Title = book.Title,
Author = authorName,
Language = book.Language
};
await _bus.PublishAsync(ExchangeNames.Book, message);
}
