* Add support for brokerage side new orders
- Add support for brokerage side new order events for liquidation cases
* Minor cash delta fix
* Improve account cash logging
* Fix null reference exception for open orders
- For backtesting the algorithm thread will sequentially process pending
order requests
- Adding new non blocking `BusyCollection`
- Updating `UpdateOrderRegressionAlgorithm` that suffered of a race
condition: it supposed `OnOrderEvent` would be called after the call to
`Transactions.AddOrder()` was finished
- Removing `using QCAlgorithmFramework = QuantConnect.Algorithm.QCAlgorithm`
- Removing `QCAlgorithmFrameworkBridge`
- Removing `IsFrameworkAlgorithm`
- Making `EmitInsightBasedOnFill` private. Adding new
`IOrderEventProvider` exposing an `event` to which `QCAlgorithm` will
subscribe.
- `AccountType.Cash` algorithms will be allowed to manually trade and
emight insights manually or with alpha model.
- Created public property on ITransactionHandler that wraps the private OrderTicket dictionary. Allows BrokerageSetupHandler to add the order tickets
Refactored ToOrderTicket extension method to handle several types of order
This is a fairly large change. We now have a BacktestingBrokerage (and PaperTradingBrokerage) which is consumed by the transaction handlers. We've also tested the BrokerageTransactionHandler. The IBrokerage interface has been through through and implemented. We've also added a spacial BacktestingTransactionHandler to delegate order filling to the BacktestingBrokerage implementation via the BacktestingBrokerage.Scan method. Much of this is a code shuffle to bring live trading and backtesting transaction handling into a similar pattern.
IBBrokerage now implements new IBrokerage interface
Adds IBBrokerage tests
Created IBGatewayRunner to manage the IB gateway/TWS start/stop
Cleaned up ITransactionHandler interface, removed some duplication
Martin-Molinero