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• 2.1.0
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• Inventory.java

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com.github.DNAProject.core.Inventory Maven / Gradle / Ivy

/*
 * Copyright (C) 2018 The DNA Authors
 * This file is part of The DNA library.
 *
 *  The DNA 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 DNA 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 DNA.  If not, see .
 *
 */

package com.github.DNAProject.core;

import com.github.DNAProject.common.UInt256;
import com.github.DNAProject.crypto.Digest;

public abstract class Inventory implements Signable {
    //[NonSerialized]
    private UInt256 _hash = null;
    
    public UInt256 hash() {
        if (_hash == null) {
			_hash = new UInt256(Digest.hash256(getHashData()));
        }
        return _hash;
    }

    public abstract InventoryType inventoryType();

    public abstract boolean verify();
}