Files
quantconnect--lean/Api/Api.cs
T
Martin-Molinero 3410832ccf
Regression Tests / build (push) Has been cancelled
Build & Test Lean / build (push) Has been cancelled
Alpha holdings state (#5770)
* Alpha holdings state

- Alpha result packet will optionally provide the algorithms portfolio
  state

* Rename

* Convert AlphaStreamsPortfolio to data source

* Improvements on AlphaStreams algorithm

* Fix regression tests

* Add unit tests for EW AS PCM and fixing bugs

* Protobuf AlphaStreamsPortfoliot staState

- Protobuf AlphaStreamsPortfolioState. Adding unit tests
- Add variable TPV tests for EW ASPCM

* Add alpha license to Organization response

* Improvements EW AS PCM respects free portfolio value

* Fixes

- Update tests expected statistics results affected by MHDB custom data timezone fix
- Fix for Extensions.IsCustomDataType

* Fixed and adding more regression tests

- Adding support and regression test with alpha consumer with different account currency
- Adding support and regression test of a universe adding custom data
  types
- Add support and regression test for algorithm alpha consumer with existing holdings

* Add AlphaStreamsOrderEvent data type
2021-08-19 13:56:18 -03:00

1218 lines
46 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 System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using QuantConnect.Interfaces;
using QuantConnect.Logging;
using QuantConnect.Orders;
using RestSharp;
using QuantConnect.Util;
namespace QuantConnect.Api
{
/// <summary>
/// QuantConnect.com Interaction Via API.
/// </summary>
public class Api : IApi, IDownloadProvider
{
private string _dataFolder;
/// <summary>
/// Returns the underlying API connection
/// </summary>
protected ApiConnection ApiConnection { get; private set; }
/// <summary>
/// Initialize the API with the given variables
/// </summary>
public virtual void Initialize(int userId, string token, string dataFolder)
{
ApiConnection = new ApiConnection(userId, token);
_dataFolder = dataFolder?.Replace("\\", "/", StringComparison.InvariantCulture);
//Allow proper decoding of orders from the API.
JsonConvert.DefaultSettings = () => new JsonSerializerSettings
{
Converters = { new OrderJsonConverter() }
};
}
/// <summary>
/// Check if Api is successfully connected with correct credentials
/// </summary>
public bool Connected => ApiConnection.Connected;
/// <summary>
/// Create a project with the specified name and language via QuantConnect.com API
/// </summary>
/// <param name="name">Project name</param>
/// <param name="language">Programming language to use</param>
/// <param name="organizationId">Optional param for specifying organization to create project under.
/// If none provided web defaults to preferred.</param>
/// <returns>Project object from the API.</returns>
public ProjectResponse CreateProject(string name, Language language, string organizationId = null)
{
var request = new RestRequest("projects/create", Method.POST)
{
RequestFormat = DataFormat.Json
};
// Only include organization Id if its not null or empty
string jsonParams;
if (string.IsNullOrEmpty(organizationId))
{
jsonParams = JsonConvert.SerializeObject(new
{
name,
language
});
}
else
{
jsonParams = JsonConvert.SerializeObject(new
{
name,
language,
organizationId
});
}
request.AddParameter("application/json", jsonParams, ParameterType.RequestBody);
ApiConnection.TryRequest(request, out ProjectResponse result);
return result;
}
/// <summary>
/// Get details about a single project
/// </summary>
/// <param name="projectId">Id of the project</param>
/// <returns><see cref="ProjectResponse"/> that contains information regarding the project</returns>
public ProjectResponse ReadProject(int projectId)
{
var request = new RestRequest("projects/read", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
projectId
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out ProjectResponse result);
return result;
}
/// <summary>
/// List details of all projects
/// </summary>
/// <returns><see cref="ProjectResponse"/> that contains information regarding the project</returns>
public ProjectResponse ListProjects()
{
var request = new RestRequest("projects/read", Method.POST)
{
RequestFormat = DataFormat.Json
};
ApiConnection.TryRequest(request, out ProjectResponse result);
return result;
}
/// <summary>
/// Add a file to a project
/// </summary>
/// <param name="projectId">The project to which the file should be added</param>
/// <param name="name">The name of the new file</param>
/// <param name="content">The content of the new file</param>
/// <returns><see cref="ProjectFilesResponse"/> that includes information about the newly created file</returns>
public ProjectFilesResponse AddProjectFile(int projectId, string name, string content)
{
var request = new RestRequest("files/create", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
projectId,
name,
content
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out ProjectFilesResponse result);
return result;
}
/// <summary>
/// Update the name of a file
/// </summary>
/// <param name="projectId">Project id to which the file belongs</param>
/// <param name="oldFileName">The current name of the file</param>
/// <param name="newFileName">The new name for the file</param>
/// <returns><see cref="RestResponse"/> indicating success</returns>
public RestResponse UpdateProjectFileName(int projectId, string oldFileName, string newFileName)
{
var request = new RestRequest("files/update", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
projectId,
name = oldFileName,
newName = newFileName
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out RestResponse result);
return result;
}
/// <summary>
/// Update the contents of a file
/// </summary>
/// <param name="projectId">Project id to which the file belongs</param>
/// <param name="fileName">The name of the file that should be updated</param>
/// <param name="newFileContents">The new contents of the file</param>
/// <returns><see cref="RestResponse"/> indicating success</returns>
public RestResponse UpdateProjectFileContent(int projectId, string fileName, string newFileContents)
{
var request = new RestRequest("files/update", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
projectId,
name = fileName,
content = newFileContents
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out RestResponse result);
return result;
}
/// <summary>
/// Read all files in a project
/// </summary>
/// <param name="projectId">Project id to which the file belongs</param>
/// <returns><see cref="ProjectFilesResponse"/> that includes the information about all files in the project</returns>
public ProjectFilesResponse ReadProjectFiles(int projectId)
{
var request = new RestRequest("files/read", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
projectId
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out ProjectFilesResponse result);
return result;
}
/// <summary>
/// Read a file in a project
/// </summary>
/// <param name="projectId">Project id to which the file belongs</param>
/// <param name="fileName">The name of the file</param>
/// <returns><see cref="ProjectFilesResponse"/> that includes the file information</returns>
public ProjectFilesResponse ReadProjectFile(int projectId, string fileName)
{
var request = new RestRequest("files/read", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
projectId,
name = fileName
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out ProjectFilesResponse result);
return result;
}
/// <summary>
/// Delete a file in a project
/// </summary>
/// <param name="projectId">Project id to which the file belongs</param>
/// <param name="name">The name of the file that should be deleted</param>
/// <returns><see cref="ProjectFilesResponse"/> that includes the information about all files in the project</returns>
public RestResponse DeleteProjectFile(int projectId, string name)
{
var request = new RestRequest("files/delete", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
projectId,
name,
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out RestResponse result);
return result;
}
/// <summary>
/// Delete a project
/// </summary>
/// <param name="projectId">Project id we own and wish to delete</param>
/// <returns>RestResponse indicating success</returns>
public RestResponse DeleteProject(int projectId)
{
var request = new RestRequest("projects/delete", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
projectId
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out RestResponse result);
return result;
}
/// <summary>
/// Create a new compile job request for this project id.
/// </summary>
/// <param name="projectId">Project id we wish to compile.</param>
/// <returns>Compile object result</returns>
public Compile CreateCompile(int projectId)
{
var request = new RestRequest("compile/create", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
projectId
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out Compile result);
return result;
}
/// <summary>
/// Read a compile packet job result.
/// </summary>
/// <param name="projectId">Project id we sent for compile</param>
/// <param name="compileId">Compile id return from the creation request</param>
/// <returns><see cref="Compile"/></returns>
public Compile ReadCompile(int projectId, string compileId)
{
var request = new RestRequest("compile/read", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
projectId,
compileId
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out Compile result);
return result;
}
/// <summary>
/// Create a new backtest request and get the id.
/// </summary>
/// <param name="projectId">Id for the project to backtest</param>
/// <param name="compileId">Compile id for the project</param>
/// <param name="backtestName">Name for the new backtest</param>
/// <returns><see cref="Backtest"/>t</returns>
public Backtest CreateBacktest(int projectId, string compileId, string backtestName)
{
var request = new RestRequest("backtests/create", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
projectId,
compileId,
backtestName
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out BacktestResponseWrapper result);
// Use API Response values for Backtest Values
result.Backtest.Success = result.Success;
result.Backtest.Errors = result.Errors;
// Return only the backtest object
return result.Backtest;
}
/// <summary>
/// Read out a backtest in the project id specified.
/// </summary>
/// <param name="projectId">Project id to read</param>
/// <param name="backtestId">Specific backtest id to read</param>
/// <param name="getCharts">True will return backtest charts</param>
/// <returns><see cref="Backtest"/></returns>
public Backtest ReadBacktest(int projectId, string backtestId, bool getCharts = true)
{
var request = new RestRequest("backtests/read", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
projectId,
backtestId
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out BacktestResponseWrapper result);
if (!result.Success)
{
// place an empty place holder so we can return any errors back to the user and not just null
result.Backtest = new Backtest { BacktestId = backtestId };
}
// Go fetch the charts if the backtest is completed and success
else if (getCharts && result.Backtest.Completed)
{
// For storing our collected charts
var updatedCharts = new Dictionary<string, Chart>();
// Create backtest requests for each chart that is empty
foreach (var chart in result.Backtest.Charts)
{
if (!chart.Value.Series.IsNullOrEmpty())
{
continue;
}
var chartRequest = new RestRequest("backtests/read", Method.POST)
{
RequestFormat = DataFormat.Json
};
chartRequest.AddParameter("application/json", JsonConvert.SerializeObject(new
{
projectId,
backtestId,
chart = chart.Key.Replace(' ', '+')
}), ParameterType.RequestBody);
ApiConnection.TryRequest(chartRequest, out BacktestResponseWrapper chartResponse);
// Add this chart to our updated collection
if (chartResponse.Success)
{
updatedCharts.Add(chart.Key, chartResponse.Backtest.Charts[chart.Key]);
}
}
// Update our result
foreach(var updatedChart in updatedCharts)
{
result.Backtest.Charts[updatedChart.Key] = updatedChart.Value;
}
}
// Use API Response values for Backtest Values
result.Backtest.Success = result.Success;
result.Backtest.Errors = result.Errors;
// Return only the backtest object
return result.Backtest;
}
/// <summary>
/// Update a backtest name
/// </summary>
/// <param name="projectId">Project for the backtest we want to update</param>
/// <param name="backtestId">Backtest id we want to update</param>
/// <param name="name">Name we'd like to assign to the backtest</param>
/// <param name="note">Note attached to the backtest</param>
/// <returns><see cref="RestResponse"/></returns>
public RestResponse UpdateBacktest(int projectId, string backtestId, string name = "", string note = "")
{
var request = new RestRequest("backtests/update", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
projectId,
backtestId,
name,
note
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out Backtest result);
return result;
}
/// <summary>
/// List all the backtests for a project
/// </summary>
/// <param name="projectId">Project id we'd like to get a list of backtest for</param>
/// <returns><see cref="BacktestList"/></returns>
public BacktestList ListBacktests(int projectId)
{
var request = new RestRequest("backtests/read", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
projectId,
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out BacktestList result);
return result;
}
/// <summary>
/// Delete a backtest from the specified project and backtestId.
/// </summary>
/// <param name="projectId">Project for the backtest we want to delete</param>
/// <param name="backtestId">Backtest id we want to delete</param>
/// <returns><see cref="RestResponse"/></returns>
public RestResponse DeleteBacktest(int projectId, string backtestId)
{
var request = new RestRequest("backtests/delete", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
projectId,
backtestId
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out RestResponse result);
return result;
}
/// <summary>
/// Create a live algorithm.
/// </summary>
/// <param name="projectId">Id of the project on QuantConnect</param>
/// <param name="compileId">Id of the compilation on QuantConnect</param>
/// <param name="nodeId">Id of the node that will run the algorithm</param>
/// <param name="baseLiveAlgorithmSettings">Brokerage specific <see cref="BaseLiveAlgorithmSettings">BaseLiveAlgorithmSettings</see>.</param>
/// <param name="versionId">The version of the Lean used to run the algorithm.
/// -1 is master, however, sometimes this can create problems with live deployments.
/// If you experience problems using, try specifying the version of Lean you would like to use.</param>
/// <returns>Information regarding the new algorithm <see cref="LiveAlgorithm"/></returns>
public LiveAlgorithm CreateLiveAlgorithm(int projectId,
string compileId,
string nodeId,
BaseLiveAlgorithmSettings baseLiveAlgorithmSettings,
string versionId = "-1")
{
var request = new RestRequest("live/create", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(
new LiveAlgorithmApiSettingsWrapper
(projectId,
compileId,
nodeId,
baseLiveAlgorithmSettings,
versionId)
), ParameterType.RequestBody);
LiveAlgorithm result;
ApiConnection.TryRequest(request, out result);
return result;
}
/// <summary>
/// Get a list of live running algorithms for user
/// </summary>
/// <param name="status">Filter the statuses of the algorithms returned from the api</param>
/// <param name="startTime">Earliest launched time of the algorithms returned by the Api</param>
/// <param name="endTime">Latest launched time of the algorithms returned by the Api</param>
/// <returns><see cref="LiveList"/></returns>
public LiveList ListLiveAlgorithms(AlgorithmStatus? status = null,
DateTime? startTime = null,
DateTime? endTime = null)
{
// Only the following statuses are supported by the Api
if (status.HasValue &&
status != AlgorithmStatus.Running &&
status != AlgorithmStatus.RuntimeError &&
status != AlgorithmStatus.Stopped &&
status != AlgorithmStatus.Liquidated)
{
throw new ArgumentException(
"The Api only supports Algorithm Statuses of Running, Stopped, RuntimeError and Liquidated");
}
var request = new RestRequest("live/read", Method.POST)
{
RequestFormat = DataFormat.Json
};
var epochStartTime = startTime == null ? 0 : Time.DateTimeToUnixTimeStamp(startTime.Value);
var epochEndTime = endTime == null ? Time.DateTimeToUnixTimeStamp(DateTime.UtcNow) : Time.DateTimeToUnixTimeStamp(endTime.Value);
JObject obj = new JObject
{
{ "start", epochStartTime },
{ "end", epochEndTime }
};
if (status.HasValue)
{
obj.Add("status", status.ToString());
}
request.AddParameter("application/json", JsonConvert.SerializeObject(obj), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out LiveList result);
return result;
}
/// <summary>
/// Read out a live algorithm in the project id specified.
/// </summary>
/// <param name="projectId">Project id to read</param>
/// <param name="deployId">Specific instance id to read</param>
/// <returns><see cref="LiveAlgorithmResults"/></returns>
public LiveAlgorithmResults ReadLiveAlgorithm(int projectId, string deployId)
{
var request = new RestRequest("live/read", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
projectId,
deployId
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out LiveAlgorithmResults result);
return result;
}
/// <summary>
/// Liquidate a live algorithm from the specified project and deployId.
/// </summary>
/// <param name="projectId">Project for the live instance we want to stop</param>
/// <returns><see cref="RestResponse"/></returns>
public RestResponse LiquidateLiveAlgorithm(int projectId)
{
var request = new RestRequest("live/update/liquidate", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
projectId
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out RestResponse result);
return result;
}
/// <summary>
/// Stop a live algorithm from the specified project and deployId.
/// </summary>
/// <param name="projectId">Project for the live instance we want to stop</param>
/// <returns><see cref="RestResponse"/></returns>
public RestResponse StopLiveAlgorithm(int projectId)
{
var request = new RestRequest("live/update/stop", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
projectId
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out RestResponse result);
return result;
}
/// <summary>
/// Gets the logs of a specific live algorithm
/// </summary>
/// <param name="projectId">Project Id of the live running algorithm</param>
/// <param name="algorithmId">Algorithm Id of the live running algorithm</param>
/// <param name="startTime">No logs will be returned before this time</param>
/// <param name="endTime">No logs will be returned after this time</param>
/// <returns><see cref="LiveLog"/> List of strings that represent the logs of the algorithm</returns>
public LiveLog ReadLiveLogs(int projectId, string algorithmId, DateTime? startTime = null, DateTime? endTime = null)
{
var epochStartTime = startTime == null ? 0 : Time.DateTimeToUnixTimeStamp(startTime.Value);
var epochEndTime = endTime == null ? Time.DateTimeToUnixTimeStamp(DateTime.UtcNow) : Time.DateTimeToUnixTimeStamp(endTime.Value);
var request = new RestRequest("live/read/log", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
format = "json",
projectId,
algorithmId,
start = epochStartTime,
end = epochEndTime
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out LiveLog result);
return result;
}
/// <summary>
/// Gets the link to the downloadable data.
/// </summary>
/// <param name="filePath">File path representing the data requested</param>
/// <param name="organizationId">Organization to download from</param>
/// <returns><see cref="Link"/> to the downloadable data.</returns>
public DataLink ReadDataLink(string filePath, string organizationId)
{
if (filePath == null)
{
throw new ArgumentException("Api.ReadDataLink(): Filepath must not be null");
}
// Prepare filePath for request
filePath = FormatPathForDataRequest(filePath);
var request = new RestRequest("data/read", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
format = "link",
filePath,
organizationId
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out DataLink result);
return result;
}
/// <summary>
/// Get valid data entries for a given filepath from data/list
/// </summary>
/// <returns></returns>
public DataList ReadDataDirectory(string filePath)
{
if (filePath == null)
{
throw new ArgumentException("Api.ReadDataDirectory(): Filepath must not be null");
}
// Prepare filePath for request
filePath = FormatPathForDataRequest(filePath);
// Verify the filePath for this request is at least three directory deep
// (requirement of endpoint)
if (filePath.Count(x => x == '/') < 3)
{
throw new ArgumentException($"Api.ReadDataDirectory(): Data directory requested must be at least" +
$" three directories deep. FilePath: {filePath}");
}
var request = new RestRequest("data/list", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
filePath
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out DataList result);
return result;
}
/// <summary>
/// Gets data prices from data/prices
/// </summary>
public DataPricesList ReadDataPrices(string organizationId)
{
var request = new RestRequest("data/prices", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
organizationId
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out DataPricesList result);
return result;
}
/// <summary>
/// Read out the report of a backtest in the project id specified.
/// </summary>
/// <param name="projectId">Project id to read</param>
/// <param name="backtestId">Specific backtest id to read</param>
/// <returns><see cref="BacktestReport"/></returns>
public BacktestReport ReadBacktestReport(int projectId, string backtestId)
{
var request = new RestRequest("backtests/read/report", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
backtestId,
projectId
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out BacktestReport report);
return report;
}
/// <summary>
/// Method to purchase and download data from QuantConnect
/// </summary>
/// <param name="filePath">File path representing the data requested</param>
/// <param name="organizationId">Organization to buy the data with</param>
/// <returns>A <see cref="bool"/> indicating whether the data was successfully downloaded or not.</returns>
public bool DownloadData(string filePath, string organizationId)
{
// Get a link to the data
var dataLink = ReadDataLink(filePath, organizationId);
// Make sure the link was successfully retrieved
if (!dataLink.Success)
{
Log.Trace($"Api.DownloadData(): Failed to get link for {filePath}. " +
$"Errors: {string.Join(',', dataLink.Errors)}");
return false;
}
// Make sure the directory exist before writing
var directory = Path.GetDirectoryName(filePath);
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
try
{
// Download the file
var uri = new Uri(dataLink.Url);
using var client = new HttpClient();
using var dataStream = client.GetStreamAsync(uri);
using var fileStream = new FileStream(filePath, FileMode.Create);
dataStream.Result.CopyTo(fileStream);
}
catch
{
Log.Error($"Api.DownloadData(): Failed to download zip for path ({filePath})");
return false;
}
return true;
}
/// <summary>
/// Get the algorithm status from the user with this algorithm id.
/// </summary>
/// <param name="algorithmId">String algorithm id we're searching for.</param>
/// <returns>Algorithm status enum</returns>
public virtual AlgorithmControl GetAlgorithmStatus(string algorithmId)
{
return new AlgorithmControl()
{
ChartSubscription = "*"
};
}
/// <summary>
/// Algorithm passes back its current status to the UX.
/// </summary>
/// <param name="status">Status of the current algorithm</param>
/// <param name="algorithmId">String algorithm id we're setting.</param>
/// <param name="message">Message for the algorithm status event</param>
/// <returns>Algorithm status enum</returns>
public virtual void SetAlgorithmStatus(string algorithmId, AlgorithmStatus status, string message = "")
{
//
}
/// <summary>
/// Send the statistics to storage for performance tracking.
/// </summary>
/// <param name="algorithmId">Identifier for algorithm</param>
/// <param name="unrealized">Unrealized gainloss</param>
/// <param name="fees">Total fees</param>
/// <param name="netProfit">Net profi</param>
/// <param name="holdings">Algorithm holdings</param>
/// <param name="equity">Total equity</param>
/// <param name="netReturn">Net return for the deployment</param>
/// <param name="volume">Volume traded</param>
/// <param name="trades">Total trades since inception</param>
/// <param name="sharpe">Sharpe ratio since inception</param>
public virtual void SendStatistics(string algorithmId, decimal unrealized, decimal fees, decimal netProfit, decimal holdings, decimal equity, decimal netReturn, decimal volume, int trades, double sharpe)
{
//
}
/// <summary>
/// Send an email to the user associated with the specified algorithm id
/// </summary>
/// <param name="algorithmId">The algorithm id</param>
/// <param name="subject">The email subject</param>
/// <param name="body">The email message body</param>
public virtual void SendUserEmail(string algorithmId, string subject, string body)
{
//
}
/// <summary>
/// Local implementation for downloading data to algorithms
/// </summary>
/// <param name="address">URL to download</param>
/// <param name="headers">KVP headers</param>
/// <param name="userName">Username for basic authentication</param>
/// <param name="password">Password for basic authentication</param>
/// <returns></returns>
public virtual string Download(string address, IEnumerable<KeyValuePair<string, string>> headers, string userName, string password)
{
using (var client = new WebClient { Credentials = new NetworkCredential(userName, password) })
{
client.Proxy = WebRequest.GetSystemWebProxy();
if (headers != null)
{
foreach (var header in headers)
{
client.Headers.Add(header.Key, header.Value);
}
}
// Add a user agent header in case the requested URI contains a query.
client.Headers.Add("user-agent", "QCAlgorithm.Download(): User Agent Header");
try
{
return client.DownloadString(address);
}
catch (WebException exception)
{
var message = $"Api.Download(): Failed to download data from {address}";
if (!userName.IsNullOrEmpty() || !password.IsNullOrEmpty())
{
message += $" with username: {userName} and password {password}";
}
throw new WebException($"{message}. Please verify the source for missing http:// or https://", exception);
}
}
}
/// <summary>
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
/// </summary>
/// <filterpriority>2</filterpriority>
public virtual void Dispose()
{
// NOP
}
/// <summary>
/// Generate a secure hash for the authorization headers.
/// </summary>
/// <returns>Time based hash of user token and timestamp.</returns>
public static string CreateSecureHash(int timestamp, string token)
{
// Create a new hash using current UTC timestamp.
// Hash must be generated fresh each time.
var data = $"{token}:{timestamp.ToStringInvariant()}";
return data.ToSHA256();
}
/// <summary>
/// Create a new node in the organization, node configuration is defined by the
/// <see cref="SKU"/>
/// </summary>
/// <param name="name">The name of the new node</param>
/// <param name="organizationId">ID of the organization</param>
/// <param name="sku"><see cref="SKU"/> Object representing configuration</param>
/// <returns>Returns <see cref="CreatedNode"/> which contains API response and
/// <see cref="Node"/></returns>
public CreatedNode CreateNode(string name, string organizationId, SKU sku)
{
var request = new RestRequest("nodes/create", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
name,
organizationId,
sku = sku.ToString()
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out CreatedNode result);
return result;
}
/// <summary>
/// Reads the nodes associated with the organization, creating a
/// <see cref="NodeList"/> for the response
/// </summary>
/// <param name="organizationId">ID of the organization</param>
/// <returns><see cref="NodeList"/> containing Backtest, Research, and Live Nodes</returns>
public NodeList ReadNodes(string organizationId)
{
var request = new RestRequest("nodes/read", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
organizationId,
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out NodeList result);
return result;
}
/// <summary>
/// Update an organizations node with a new name
/// </summary>
/// <param name="nodeId">The node ID of the node you want to update</param>
/// <param name="newName">The new name for that node</param>
/// <param name="organizationId">ID of the organization</param>
/// <returns><see cref="RestResponse"/> containing success response and errors</returns>
public RestResponse UpdateNode(string nodeId, string newName, string organizationId)
{
var request = new RestRequest("nodes/update", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
nodeId,
name = newName,
organizationId
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out RestResponse result);
return result;
}
/// <summary>
/// Delete a node from an organization, requires node ID.
/// </summary>
/// <param name="nodeId">The node ID of the node you want to delete</param>
/// <param name="organizationId">ID of the organization</param>
/// <returns><see cref="RestResponse"/> containing success response and errors</returns>
public RestResponse DeleteNode(string nodeId, string organizationId)
{
var request = new RestRequest("nodes/delete", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
nodeId,
organizationId
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out RestResponse result);
return result;
}
/// <summary>
/// Stop a running node in a organization
/// </summary>
/// <param name="nodeId">The node ID of the node you want to stop</param>
/// <param name="organizationId">ID of the organization</param>
/// <returns><see cref="RestResponse"/> containing success response and errors</returns>
public RestResponse StopNode(string nodeId, string organizationId)
{
var request = new RestRequest("nodes/stop", Method.POST)
{
RequestFormat = DataFormat.Json
};
request.AddParameter("application/json", JsonConvert.SerializeObject(new
{
nodeId,
organizationId
}), ParameterType.RequestBody);
ApiConnection.TryRequest(request, out RestResponse result);
return result;
}
/// <summary>
/// Will read the organization account status
/// </summary>
/// <param name="organizationId">The target organization id, if null will return default organization</param>
public Account ReadAccount(string organizationId = null)
{
var request = new RestRequest("account/read", Method.POST)
{
RequestFormat = DataFormat.Json
};
if (organizationId != null)
{
request.AddParameter("application/json", JsonConvert.SerializeObject(new { organizationId }), ParameterType.RequestBody);
}
ApiConnection.TryRequest(request, out Account account);
return account;
}
/// <summary>
/// Get a list of organizations tied to this account
/// </summary>
/// <returns></returns>
public List<Organization> ListOrganizations()
{
var request = new RestRequest("organizations/list", Method.POST)
{
RequestFormat = DataFormat.Json
};
ApiConnection.TryRequest(request, out OrganizationResponseList response);
return response.List;
}
/// <summary>
/// Fetch organization data from web API
/// </summary>
/// <param name="organizationId"></param>
/// <returns></returns>
public Organization ReadOrganization(string organizationId = null)
{
var request = new RestRequest("organizations/read", Method.POST)
{
RequestFormat = DataFormat.Json
};
if (organizationId != null)
{
request.AddParameter("application/json", JsonConvert.SerializeObject(new { organizationId }), ParameterType.RequestBody);
}
ApiConnection.TryRequest(request, out OrganizationResponse response);
return response.Organization;
}
/// <summary>
/// Helper method to normalize path for api data requests
/// </summary>
/// <param name="filePath">Filepath to format</param>
/// <param name="dataFolder">The data folder to use</param>
/// <returns>Normalized path</returns>
public static string FormatPathForDataRequest(string filePath, string dataFolder = null)
{
if (filePath == null)
{
Log.Error("Api.FormatPathForDataRequest(): Cannot format null string");
return null;
}
dataFolder ??= Globals.DataFolder;
// Normalize windows paths to linux format
dataFolder = dataFolder.Replace("\\", "/", StringComparison.InvariantCulture);
filePath = filePath.Replace("\\", "/", StringComparison.InvariantCulture);
// First remove data root directory from path for request if included
if (filePath.StartsWith(dataFolder, StringComparison.InvariantCulture))
{
filePath = filePath.Substring(dataFolder.Length);
}
// Trim '/' from start, this can cause issues for _dataFolders without final directory separator in the config
filePath = filePath.TrimStart('/');
return filePath;
}
}
}