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Java implementation of the Ethereum protocol adapted to use for Hedera Smart Contract Service

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/*
 * Copyright (c) [2016] [  ]
 * This file is part of the ethereumJ library.
 *
 * The ethereumJ library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * The ethereumJ library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with the ethereumJ library. If not, see .
 */
package org.ethereum.util;

/**
 * @author Mikhail Kalinin
 * @since 10.08.2015
 */
public class TimeUtils {

    /**
     * Converts minutes to millis
     *
     * @param minutes time in minutes
     * @return corresponding millis value
     */
    public static long minutesToMillis(long minutes) {
        return minutes * 60 * 1000;
    }

    /**
     * Converts seconds to millis
     *
     * @param seconds time in seconds
     * @return corresponding millis value
     */
    public static long secondsToMillis(long seconds) {
        return seconds * 1000;
    }

    /**
     * Converts millis to minutes
     *
     * @param millis time in millis
     * @return time in minutes
     */
    public static long millisToMinutes(long millis) {
        return Math.round(millis / 60.0 / 1000.0);
    }

    /**
     * Converts millis to seconds
     *
     * @param millis time in millis
     * @return time in seconds
     */
    public static long millisToSeconds(long millis) {
        return Math.round(millis / 1000.0);
    }

    /**
     * Returns timestamp in the future after some millis passed from now
     *
     * @param millis millis count
     * @return future timestamp
     */
    public static long timeAfterMillis(long millis) {
        return System.currentTimeMillis() + millis;
    }
}