Files
quantconnect--lean/Common/Securities/BrokerageModelSecurityInitializer.cs
AlexCatarino d9b3bdd08d Sets the Security BuyingPowerModel Before SetLeverage is Called in BrokerageModelSecurityInitializer
Sets the `Security` object `BuyingPowerModel` before its `SetLeverage` method is called in the `BrokerageModelSecurityInitializer`.

Updates `BitfinexBrokerageModelTests` to test the new behavior.
2020-02-06 14:05:15 +00:00

71 lines
3.1 KiB
C#

/*
* QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
* Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
using QuantConnect.Brokerages;
namespace QuantConnect.Securities
{
/// <summary>
/// Provides an implementation of <see cref="ISecurityInitializer"/> that initializes a security
/// by settings the <see cref="Security.FillModel"/>, <see cref="Security.FeeModel"/>,
/// <see cref="Security.SlippageModel"/>, and the <see cref="Security.SettlementModel"/> properties
/// </summary>
public class BrokerageModelSecurityInitializer : ISecurityInitializer
{
private readonly IBrokerageModel _brokerageModel;
private readonly ISecuritySeeder _securitySeeder;
/// <summary>
/// Initializes a new instance of the <see cref="BrokerageModelSecurityInitializer"/> class
/// for the specified algorithm
/// </summary>
public BrokerageModelSecurityInitializer()
{
}
/// <summary>
/// Initializes a new instance of the <see cref="BrokerageModelSecurityInitializer"/> class
/// for the specified algorithm
/// </summary>
/// <param name="brokerageModel">The brokerage model used to initialize the security models</param>
/// <param name="securitySeeder">An <see cref="ISecuritySeeder"/> used to seed the initial price of the security</param>
public BrokerageModelSecurityInitializer(IBrokerageModel brokerageModel, ISecuritySeeder securitySeeder)
{
_brokerageModel = brokerageModel;
_securitySeeder = securitySeeder;
}
/// <summary>
/// Initializes the specified security by setting up the models
/// </summary>
/// <param name="security">The security to be initialized</param>
public virtual void Initialize(Security security)
{
// Sets the security models
security.FillModel = _brokerageModel.GetFillModel(security);
security.FeeModel = _brokerageModel.GetFeeModel(security);
security.SlippageModel = _brokerageModel.GetSlippageModel(security);
security.SettlementModel = _brokerageModel.GetSettlementModel(security);
security.BuyingPowerModel = _brokerageModel.GetBuyingPowerModel(security);
// Sets the leverage after the buying power model. Otherwise we would set the leverage of the default model.
security.SetLeverage(_brokerageModel.GetLeverage(security));
_securitySeeder.SeedSecurity(security);
}
}
}