Steven Barclay 372f92d7aa Add cache to speed up ChartCalculations.roundToTick ... Now that the trade statistics are encountered in chronological order, speed up 'roundToTick(LocalDateTime, TickUnit)' by caching the last calculated LocalDateTime -> Date mapping from the tick start (with one cache entry per tick unit), as multiple successive trades will tend to have the same tick start. This avoids a relatively expensive '.atZone(..).toInstant()' call, which was slowing down 'ChartCalculations.getUsdAveragePriceMapsPerTickUnit', as it uses 'roundToTick' in a tight loop (#trades * #tick-units calls). Also unqualify 'TradesChartsViewModel.TickUnit' references for brevity.		2023-05-10 19:41:22 +01:00
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main	Add cache to speed up ChartCalculations.roundToTick	2023-05-10 19:41:22 +01:00
test	Fix broken test in TradesChartsViewModelTest that passed accidentally	2023-05-10 19:41:22 +01:00