public override List <TransactionId> PerformTransactionSelection(IEventPoolProvider chainEventPoolProvider, List <TransactionId> existingTransactions)
{
var poolTransactions = ((INeuraliumChainPoolProviderGenerix)chainEventPoolProvider).GetTransactionIdsAndTip();
// exclude the transactions that should not be selected
var availableTransactions = poolTransactions.Where(p => !existingTransactions.Contains(p.transactionIds)).ToList();
if (!availableTransactions.Any())
{
return(new List <TransactionId>());
}
// remove transactions with no tip, we so desired
var tipAvailableTransactions = availableTransactions.Where(t => t.tip != 0).ToList();
var notipAvailableTransactions = availableTransactions.Where(t => t.tip == 0).ToList();
var finalTransactions = new List <(TransactionId transactionIds, decimal tip)>();
if (this.highestTipTransactionSelectionStrategySettings.TimeSortingMethod == HighestTipTransactionSelectionStrategySettings.TimeSortingMethods.Random)
{
if (this.highestTipTransactionSelectionStrategySettings.TipSortingMethod == HighestTipTransactionSelectionStrategySettings.TipSortingMethods.MostToLess)
{
finalTransactions.AddRange(tipAvailableTransactions.OrderByDescending(t => t.tip));
finalTransactions.AddRange(notipAvailableTransactions);
}
else if (this.highestTipTransactionSelectionStrategySettings.TipSortingMethod == HighestTipTransactionSelectionStrategySettings.TipSortingMethods.LessToMost)
{
finalTransactions.AddRange(tipAvailableTransactions.OrderBy(t => t.tip));
finalTransactions.AddRange(notipAvailableTransactions);
}
else
{
finalTransactions = availableTransactions.Shuffle().ToList();
}
}
if (this.highestTipTransactionSelectionStrategySettings.TimeSortingMethod != HighestTipTransactionSelectionStrategySettings.TimeSortingMethods.Random)
{
// lets group the times by hour (the inception is irrelevant since its all relative for grouping, so we set a dummy date)
var group = tipAvailableTransactions.GroupBy(t => {
DateTime timestamp = this.timeService.GetTransactionDateTime(t.transactionIds, DateTime.Now.AddYears(-1));
// remove the minutes and seconds so we can group by hour
return(new DateTime(timestamp.Year, timestamp.Month, timestamp.Day, timestamp.Hour, 0, 0));
});
if (this.highestTipTransactionSelectionStrategySettings.TimeSortingMethod == HighestTipTransactionSelectionStrategySettings.TimeSortingMethods.NewerToOlder)
{
group = group.OrderByDescending(g => g.Key);
}
else if (this.highestTipTransactionSelectionStrategySettings.TimeSortingMethod == HighestTipTransactionSelectionStrategySettings.TimeSortingMethods.OlderToNewer)
{
group = group.OrderBy(g => g.Key);
}
//TODO: perhaps we could make this more elaborate?
// and now, recombine them to have our prefered order
finalTransactions.AddRange(group.SelectMany(g => {
if (this.highestTipTransactionSelectionStrategySettings.TipSortingMethod == HighestTipTransactionSelectionStrategySettings.TipSortingMethods.MostToLess)
{
return(g.OrderByDescending(t => t.tip).ToList());
}
if (this.highestTipTransactionSelectionStrategySettings.TipSortingMethod == HighestTipTransactionSelectionStrategySettings.TipSortingMethods.LessToMost)
{
return(g.OrderBy(t => t.tip).ToList());
}
return(g.ToList());
}).ToList());
finalTransactions.AddRange(notipAvailableTransactions);
}
return(this.SelectSelection(finalTransactions));
}
protected override IElectionProcessor GetElectionProcessorV1(INeuraliumCentralCoordinator centralCoordinator, IEventPoolProvider chainEventPoolProvider)
{
return(new NeuraliumElectionProcessor(centralCoordinator, chainEventPoolProvider));
}
public NeuraliumElectionProcessor(INeuraliumCentralCoordinator centralCoordinator, IEventPoolProvider chainEventPoolProvider) : base(centralCoordinator, chainEventPoolProvider)
{
}