/// <summary>
/// The collate subscriptions.
/// </summary>
/// <param name="execution">
/// The execution.
/// </param>
/// <param name="ruleParameters">
/// The rule parameters.
/// </param>
/// <param name="operationContext">
/// The operation context.
/// </param>
/// <param name="dataRequestSubscriber">
/// The data request subscriber.
/// </param>
/// <param name="judgementService">
/// The judgement service.
/// </param>
/// <param name="alertStream">
/// The alert stream.
/// </param>
/// <returns>
/// The <see cref="IUniverseRule"/>.
/// </returns>
public IReadOnlyCollection <IUniverseRule> CollateSubscriptions(
ScheduledExecution execution,
RuleParameterDto ruleParameters,
ISystemProcessOperationContext operationContext,
IUniverseDataRequestsSubscriber dataRequestSubscriber,
IJudgementService judgementService,
IUniverseAlertStream alertStream)
{
if (!execution.Rules?.Select(_ => _.Rule)?.Contains(Rules.PlacingOrderWithNoIntentToExecute) ?? true)
{
return(new IUniverseRule[0]);
}
var filteredParameters = execution.Rules.SelectMany(_ => _.Ids).Where(_ => _ != null).ToList();
var dtos = ruleParameters.PlacingOrders
.Where(_ => filteredParameters.Contains(_.Id, StringComparer.InvariantCultureIgnoreCase)).ToList();
var placingOrderParameters = this.ruleParameterMapper.Map(execution, dtos);
var subscriptions = this.SubscribeToUniverse(
execution,
operationContext,
alertStream,
placingOrderParameters,
dataRequestSubscriber);
return(subscriptions);
}
/// <summary>
/// The build subscriptions.
/// </summary>
/// <param name="execution">
/// The execution.
/// </param>
/// <param name="player">
/// The player.
/// </param>
/// <param name="alertStream">
/// The alert stream.
/// </param>
/// <param name="dataRequestSubscriber">
/// The data request subscriber.
/// </param>
/// <param name="judgementService">
/// The judgement service.
/// </param>
/// <param name="operationContext">
/// The operation context.
/// </param>
/// <param name="ruleParameters">
/// The rule parameters.
/// </param>
/// <param name="args">
/// The args.
/// </param>
/// <returns>
/// The <see cref="IUniverseRule"/>.
/// </returns>
private IReadOnlyCollection <IUniverseRule> BuildSubscriptions(
ScheduledExecution execution,
IUniversePlayer player,
IUniverseAlertStream alertStream,
IUniverseDataRequestsSubscriber dataRequestSubscriber,
IJudgementService judgementService,
ISystemProcessOperationContext operationContext,
RuleParameterDto ruleParameters,
params Func <ScheduledExecution,
RuleParameterDto,
ISystemProcessOperationContext,
IUniverseDataRequestsSubscriber,
IJudgementService,
IUniverseAlertStream,
IReadOnlyCollection <IUniverseRule> >[] args)
{
var universeRules = new List <IUniverseRule>();
foreach (var func in args)
{
var result = func.Invoke(
execution,
ruleParameters,
operationContext,
dataRequestSubscriber,
judgementService,
alertStream);
universeRules.AddRange(result);
}
return(universeRules);
}
/// <summary>
/// The collate subscriptions.
/// </summary>
/// <param name="execution">
/// The execution.
/// </param>
/// <param name="ruleParameters">
/// The rule parameters.
/// </param>
/// <param name="operationContext">
/// The operation context.
/// </param>
/// <param name="dataRequestSubscriber">
/// The data request subscriber.
/// </param>
/// <param name="judgementService">
/// The judgement service.
/// </param>
/// <param name="alertStream">
/// The alert stream.
/// </param>
/// <returns>
/// The <see cref="IUniverseEvent"/>.
/// </returns>
public IReadOnlyCollection <IUniverseRule> CollateSubscriptions(
ScheduledExecution execution,
RuleParameterDto ruleParameters,
ISystemProcessOperationContext operationContext,
IUniverseDataRequestsSubscriber dataRequestSubscriber,
IJudgementService judgementService,
IUniverseAlertStream alertStream)
{
if (!execution.Rules?.Select(ru => ru.Rule).Contains(Rules.FixedIncomeWashTrades) ?? true)
{
return(new IUniverseRule[0]);
}
var filteredParameters = execution.Rules.SelectMany(ru => ru.Ids).Where(ru => ru != null).ToList();
var dtos = ruleParameters.FixedIncomeWashTrades.Where(
wt => filteredParameters.Contains(wt.Id, StringComparer.InvariantCultureIgnoreCase)).ToList();
var fixedIncomeWashTradeParameters = this.ruleParameterMapper.Map(execution, dtos);
var subscriptions = this.SubscribeToUniverse(
execution,
operationContext,
alertStream,
dataRequestSubscriber,
fixedIncomeWashTradeParameters);
return(subscriptions);
}
public void LeadingTimespan_Returns_Value_When_TwoAlternatives_WashTrade()
{
var calculator = new RuleParameterAdjustedTimespanService();
var dto = new RuleParameterDto
{
WashTrades = new[]
{
new WashTradeRuleParameterDto
{
WindowSize = TimeSpan.FromMinutes(8)
},
new WashTradeRuleParameterDto
{
WindowSize = TimeSpan.FromMinutes(11)
},
new WashTradeRuleParameterDto
{
WindowSize = TimeSpan.FromMinutes(2)
}
}
};
var result = calculator.LeadingTimespan(dto);
Assert.AreEqual(result, TimeSpan.FromMinutes(11));
}
public void TrailingTimespanThreeDaysIsTimespanThreeDays()
{
var service = this.BuildService();
var dto = new RuleParameterDto
{
HighProfits = new HighProfitsRuleParameterDto[]
{
new HighProfitsRuleParameterDto
{
ForwardWindow = TimeSpan.FromDays(2)
},
new HighProfitsRuleParameterDto
{
ForwardWindow = TimeSpan.FromDays(3)
},
new HighProfitsRuleParameterDto
{
ForwardWindow = TimeSpan.FromDays(1)
}
},
};
var trail = service.TrailingTimeSpan(dto);
Assert.AreEqual(TimeSpan.FromDays(3), trail);
}
public void LeadingTimespan_Returns_Zero_For_Null_Collections()
{
var calculator = new RuleParameterAdjustedTimespanService();
var dto = new RuleParameterDto();
var result = calculator.LeadingTimespan(dto);
Assert.AreEqual(result, TimeSpan.Zero);
}
public TimeSpan TrailingTimeSpan(RuleParameterDto dto)
{
var forwardWindows = dto?.HighProfits?.Select(_ => _.ForwardWindow)?.ToList() ?? new List<TimeSpan>();
if (!forwardWindows.Any())
{
return TimeSpan.Zero;
}
return forwardWindows.Max(_ => _);
}
public void LeadingTimespanIsTimespanTwelveDays()
{
var service = this.BuildService();
var dto = new RuleParameterDto
{
CancelledOrders = new[] { new CancelledOrderRuleParameterDto {
WindowSize = TimeSpan.FromDays(1)
} },
HighProfits = new[] { new HighProfitsRuleParameterDto {
WindowSize = TimeSpan.FromDays(2)
} },
MarkingTheCloses = new[] { new MarkingTheCloseRuleParameterDto {
WindowSize = TimeSpan.FromDays(3)
} },
Spoofings = new[] { new SpoofingRuleParameterDto {
WindowSize = TimeSpan.FromDays(4)
} },
Layerings = new[] { new LayeringRuleParameterDto {
WindowSize = TimeSpan.FromDays(5)
} },
HighVolumes = new[] { new HighVolumeRuleParameterDto {
WindowSize = TimeSpan.FromDays(6)
} },
WashTrades = new[] { new WashTradeRuleParameterDto {
WindowSize = TimeSpan.FromDays(7)
} },
Rampings = new[] { new RampingRuleParameterDto {
WindowSize = TimeSpan.FromDays(8)
} },
PlacingOrders = new[] { new PlacingOrdersWithNoIntentToExecuteRuleParameterDto {
WindowSize = TimeSpan.FromDays(9)
} },
FixedIncomeWashTrades = new[] { new FixedIncomeWashTradeRuleParameterDto {
WindowSize = TimeSpan.FromDays(10)
} },
FixedIncomeHighProfits = new[] { new FixedIncomeHighProfitRuleParameterDto {
WindowSize = TimeSpan.FromDays(11)
} },
FixedIncomeHighVolumeIssuance = new[] { new FixedIncomeHighVolumeRuleParameterDto {
WindowSize = TimeSpan.FromDays(12)
} }
};
var trail = service.LeadingTimespan(dto);
Assert.AreEqual(TimeSpan.FromDays(12), trail);
}
public void LeadingTimespan_Returns_Value_When_Only_Layering()
{
var calculator = new RuleParameterAdjustedTimespanService();
var dto = new RuleParameterDto
{
Layerings = new[]
{
new LayeringRuleParameterDto {
WindowSize = TimeSpan.FromMinutes(9)
}
}
};
var result = calculator.LeadingTimespan(dto);
Assert.AreEqual(result, TimeSpan.FromMinutes(9));
}
public TimeSpan LeadingTimespan(RuleParameterDto dto)
{
if (dto == null)
{
return TimeSpan.Zero;
}
var cancelledOrders = dto.CancelledOrders?.OfType<IIdentifiableRule>().ToList() ?? new List<IIdentifiableRule>();
var highProfit = dto.HighProfits?.OfType<IIdentifiableRule>().ToList() ?? new List<IIdentifiableRule>();
var markingTheClose = dto.MarkingTheCloses?.OfType<IIdentifiableRule>().ToList() ?? new List<IIdentifiableRule>();
var spoofing = dto.Spoofings?.OfType<IIdentifiableRule>().ToList() ?? new List<IIdentifiableRule>();
var layering = dto.Layerings?.OfType<IIdentifiableRule>().ToList() ?? new List<IIdentifiableRule>();
var highVolume = dto.HighVolumes?.OfType<IIdentifiableRule>().ToList() ?? new List<IIdentifiableRule>();
var washTrade = dto.WashTrades?.OfType<IIdentifiableRule>().ToList() ?? new List<IIdentifiableRule>();
var ramping = dto.Rampings?.OfType<IIdentifiableRule>().ToList() ?? new List<IIdentifiableRule>();
var placingOrders = dto.PlacingOrders?.OfType<IIdentifiableRule>().ToList() ?? new List<IIdentifiableRule>();
var fixedIncomeWashTrades = dto.FixedIncomeWashTrades?.OfType<IIdentifiableRule>().ToList() ?? new List<IIdentifiableRule>();
var fixedIncomeHighProfit = dto.FixedIncomeHighProfits?.OfType<IIdentifiableRule>().ToList() ?? new List<IIdentifiableRule>();
var fixedIncomeHighVolumeIssuance = dto.FixedIncomeHighVolumeIssuance?.OfType<IIdentifiableRule>().ToList() ?? new List<IIdentifiableRule>();
var identifiableRuleList =
cancelledOrders
.Concat(highProfit)
.Concat(markingTheClose)
.Concat(spoofing)
.Concat(layering)
.Concat(highVolume)
.Concat(washTrade)
.Concat(ramping)
.Concat(placingOrders)
.Concat(fixedIncomeHighProfit)
.Concat(fixedIncomeWashTrades)
.Concat(fixedIncomeHighVolumeIssuance)
.Where(_ => _ != null)
.ToList();
if (!identifiableRuleList.Any())
{
return TimeSpan.Zero;
}
var date = identifiableRuleList.Max(i => i.WindowSize);
return date;
}
public void LeadingTimespan_Returns_Value_When_Only_Cancelled()
{
var calculator = new RuleParameterAdjustedTimespanService();
var dto = new RuleParameterDto
{
CancelledOrders = new[]
{
new CancelledOrderRuleParameterDto
{
WindowSize = TimeSpan.FromMinutes(5)
}
}
};
var result = calculator.LeadingTimespan(dto);
Assert.AreEqual(result, TimeSpan.FromMinutes(5));
}
public void TrailingTimespanThreeDaysOnlyInCancelledOrderIsTimespanThreeDays()
{
var service = this.BuildService();
var dto = new RuleParameterDto
{
CancelledOrders = new CancelledOrderRuleParameterDto[]
{
new CancelledOrderRuleParameterDto
{
WindowSize = TimeSpan.FromDays(3)
}
}
};
var trail = service.TrailingTimeSpan(dto);
Assert.AreEqual(TimeSpan.FromDays(0), trail);
}
public IReadOnlyCollection <string> ExtractIds(RuleParameterDto dtos)
{
if (dtos == null)
{
return(new string[0]);
}
var cancelledOrderIds = dtos.CancelledOrders?.Select(_ => _.Id)?.ToList() ?? new List <string>();
var highProfitIds = dtos.HighProfits?.Select(_ => _.Id)?.ToList() ?? new List <string>();
var markingTheCloseIds = dtos.MarkingTheCloses?.Select(_ => _.Id)?.ToList() ?? new List <string>();
var spoofingIds = dtos.Spoofings?.Select(_ => _.Id)?.ToList() ?? new List <string>();
var layeringIds = dtos.Layerings?.Select(_ => _.Id)?.ToList() ?? new List <string>();
var highVolumeIds = dtos.HighVolumes?.Select(_ => _.Id)?.ToList() ?? new List <string>();
var washTradeIds = dtos.WashTrades?.Select(_ => _.Id)?.ToList() ?? new List <string>();
var rampingIds = dtos.Rampings?.Select(_ => _.Id)?.ToList() ?? new List <string>();
var placingOrderWithNoIntentionToExecute =
dtos.PlacingOrders?.Select(_ => _.Id)?.ToList() ?? new List <string>();
var fixedIncomeHighProfitIds =
dtos.FixedIncomeHighProfits?.Select(_ => _.Id)?.ToList() ?? new List <string>();
var fixedIncomeHighVolumeIssuanceIds =
dtos.FixedIncomeHighVolumeIssuance?.Select(_ => _.Id)?.ToList() ?? new List <string>();
var fixedIncomeWashTradeIds = dtos.FixedIncomeWashTrades?.Select(_ => _.Id)?.ToList() ?? new List <string>();
var response = new List <string>();
response.AddRange(cancelledOrderIds);
response.AddRange(highProfitIds);
response.AddRange(markingTheCloseIds);
response.AddRange(spoofingIds);
response.AddRange(layeringIds);
response.AddRange(highVolumeIds);
response.AddRange(washTradeIds);
response.AddRange(rampingIds);
response.AddRange(placingOrderWithNoIntentionToExecute);
response.AddRange(fixedIncomeHighProfitIds);
response.AddRange(fixedIncomeHighVolumeIssuanceIds);
response.AddRange(fixedIncomeWashTradeIds);
return(response);
}
/// <summary>
/// The subscribe rules.
/// </summary>
/// <param name="execution">
/// The execution.
/// </param>
/// <param name="player">
/// The player.
/// </param>
/// <param name="alertStream">
/// The alert stream.
/// </param>
/// <param name="dataRequestSubscriber">
/// The data request subscriber.
/// </param>
/// <param name="judgementService">
/// The judgement service.
/// </param>
/// <param name="operationContext">
/// The operation context.
/// </param>
/// <param name="ruleParameters">
/// The rule parameters.
/// </param>
/// <returns>
/// The <see cref="Task"/>.
/// </returns>
public async Task <IUniverseRuleSubscriptionSummary> SubscribeRules(
ScheduledExecution execution,
IUniversePlayer player,
IUniverseAlertStream alertStream,
IUniverseDataRequestsSubscriber dataRequestSubscriber,
IJudgementService judgementService,
ISystemProcessOperationContext operationContext,
RuleParameterDto ruleParameters)
{
if (execution == null || player == null)
{
this.logger.LogInformation("received null execution or player. Returning");
return(new UniverseRuleSubscriptionSummary(null, null));
}
var subscriptions = this.BuildSubscriptions(
execution,
player,
alertStream,
dataRequestSubscriber,
judgementService,
operationContext,
ruleParameters,
this.highVolumeEquitySubscriber.CollateSubscriptions,
this.washTradeEquitySubscriber.CollateSubscriptions,
this.highProfitEquitySubscriber.CollateSubscriptions,
this.cancelledOrderEquitySubscriber.CollateSubscriptions,
this.markingTheCloseEquitySubscriber.CollateSubscriptions,
this.spoofingEquitySubscriber.CollateSubscriptions,
this.rampingEquitySubscriber.CollateSubscriptions,
this.placingOrdersEquitySubscriber.CollateSubscriptions,
this.washTradeFixedIncomeSubscriber.CollateSubscriptions,
this.highVolumeFixedIncomeSubscriber.CollateSubscriptions,
this.highProfitFixedIncomeSubscriber.CollateSubscriptions);
foreach (var subscription in subscriptions)
{
if (subscription == null)
{
continue;
}
this.logger.LogInformation($"Subscribe Rules subscribing a {subscription.Rule.GetDescription()}");
player.Subscribe(subscription);
}
var ids = this.idExtractor.ExtractIds(ruleParameters);
if (ids == null || !ids.Any())
{
this.logger.LogError("did not have any ids successfully extracted from the rule parameters");
return(new UniverseRuleSubscriptionSummary(null, null));
}
var jointIds = ids.Aggregate((a, b) => $"{a} {b}");
this.logger.LogInformation($"subscriber processed for the following ids {jointIds}");
return(await Task.FromResult(new UniverseRuleSubscriptionSummary(ids, subscriptions)));
}
/// <summary>
/// The schedule rule.
/// </summary>
/// <param name="execution">
/// The execution.
/// </param>
/// <param name="parameters">
/// The parameters.
/// </param>
/// <param name="ruleContext">
/// The rule context.
/// </param>
/// <returns>
/// The <see cref="Task"/>.
/// </returns>
private async Task ScheduleRule(
ScheduledExecution execution,
RuleParameterDto parameters,
ISystemProcessOperationDistributeRuleContext ruleContext)
{
foreach (var rule in execution.Rules.Where(ru => ru != null))
{
switch (rule.Rule)
{
case Rules.CancelledOrders:
var cancelledOrderRuleRuns =
parameters.CancelledOrders?.Select(co => co as IIdentifiableRule)?.ToList();
await this.ScheduleRuleRuns(execution, cancelledOrderRuleRuns, rule, ruleContext);
break;
case Rules.HighProfits:
var highProfitRuleRuns =
parameters.HighProfits?.Select(co => co as IIdentifiableRule)?.ToList();
await this.ScheduleRuleRuns(execution, highProfitRuleRuns, rule, ruleContext);
break;
case Rules.HighVolume:
var highVolumeRuleRuns =
parameters.HighVolumes?.Select(co => co as IIdentifiableRule)?.ToList();
await this.ScheduleRuleRuns(execution, highVolumeRuleRuns, rule, ruleContext);
break;
case Rules.MarkingTheClose:
var markingTheCloseRuleRuns =
parameters.MarkingTheCloses?.Select(co => co as IIdentifiableRule)?.ToList();
await this.ScheduleRuleRuns(execution, markingTheCloseRuleRuns, rule, ruleContext);
break;
case Rules.WashTrade:
var washTradeRuleRuns = parameters.WashTrades?.Select(co => co as IIdentifiableRule)?.ToList();
await this.ScheduleRuleRuns(execution, washTradeRuleRuns, rule, ruleContext);
break;
case Rules.UniverseFilter:
break;
case Rules.Spoofing:
var spoofingRuleRuns = parameters.Spoofings?.Select(co => co as IIdentifiableRule)?.ToList();
await this.ScheduleRuleRuns(execution, spoofingRuleRuns, rule, ruleContext);
break;
case Rules.PlacingOrderWithNoIntentToExecute:
var placingOrderRuleRuns =
parameters.PlacingOrders?.Select(_ => _ as IIdentifiableRule)?.ToList();
await this.ScheduleRuleRuns(execution, placingOrderRuleRuns, rule, ruleContext);
break;
case Rules.Layering:
// var layeringRuleRuns = parameters.Layerings?.Select(co => co as IIdentifiableRule)?.ToList();
// await ScheduleRuleRuns(execution, layeringRuleRuns, rule, ruleCtx);
break;
case Rules.FixedIncomeHighProfits:
var fixedIncomeHighProfits = parameters.FixedIncomeHighProfits
?.Select(co => co as IIdentifiableRule)?.ToList();
await this.ScheduleRuleRuns(execution, fixedIncomeHighProfits, rule, ruleContext);
break;
case Rules.FixedIncomeHighVolumeIssuance:
var fixedIncomeHighVolumeIssuance = parameters.FixedIncomeHighVolumeIssuance
?.Select(co => co as IIdentifiableRule)?.ToList();
await this.ScheduleRuleRuns(execution, fixedIncomeHighVolumeIssuance, rule, ruleContext);
break;
case Rules.FixedIncomeWashTrades:
var fixedIncomeWashTrade = parameters.FixedIncomeWashTrades
?.Select(co => co as IIdentifiableRule)?.ToList();
await this.ScheduleRuleRuns(execution, fixedIncomeWashTrade, rule, ruleContext);
break;
case Rules.Ramping:
var ramping = parameters.Rampings?.Select(co => co as IIdentifiableRule)?.ToList();
await this.ScheduleRuleRuns(execution, ramping, rule, ruleContext);
break;
default:
this.logger.LogError(
$"{rule.Rule} was scheduled but not recognised by the Schedule Rule method in distributed rule.");
ruleContext.EventError(
$"{rule.Rule} was scheduled but not recognised by the Schedule Rule method in distributed rule.");
break;
}
}
}