org.cardanofoundation.conversions.converters.EraConversions Maven / Gradle / Ivy

package org.cardanofoundation.conversions.converters;

import java.time.LocalDateTime;
import java.util.Optional;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.cardanofoundation.conversions.ConversionRuntimeException;
import org.cardanofoundation.conversions.GenesisConfig;
import org.cardanofoundation.conversions.domain.EraHistoryItem;
import org.cardanofoundation.conversions.domain.EraType;

@Slf4j
@RequiredArgsConstructor
public class EraConversions {

  private final GenesisConfig genesisConfig;
  private final SlotConversions slotConversions;

  public long firstRealSlot(EraType eraType) {
    return getEraHistoryItem(eraType).firstRealSlotNo();
  }

  public long firstTheoreticalSlot(EraType eraType) {
    return getEraHistoryItem(eraType).firstTheoreticalSlotNo();
  }

  public Optional lastTheoreticalSlot(EraType eraType) {
    return getEraHistoryItem(eraType).lastTheoreticalSlotNo();
  }

  public Optional lastRealSlot(EraType eraType) {
    return getEraHistoryItem(eraType).lastRealSlotNo();
  }

  public LocalDateTime firstRealEraTime(EraType eraType) {
    var absoluteSlot = firstRealSlot(eraType);

    return slotConversions.slotToTime(absoluteSlot);
  }

  public LocalDateTime firstTheoreticalEraTime(EraType eraType) {
    var absoluteSlot = firstTheoreticalSlot(eraType);

    return slotConversions.slotToTime(absoluteSlot);
  }

  public Optional lastRealEraTime(EraType eraType) {
    return lastRealSlot(eraType).map(slotConversions::slotToTime);
  }

  public Optional lastTheoreticalEraTime(EraType eraType) {
    return lastTheoreticalSlot(eraType).map(slotConversions::slotToTime);
  }

  private EraHistoryItem getEraHistoryItem(EraType eraType) {
    return genesisConfig
        .getEraHistory()
        .findFirstByEra(eraType)
        .orElseThrow(
            () -> new ConversionRuntimeException("Era details not found!, era: " + eraType));
  }
}