StoredOutput.java

package org.ripple.power.txns.btc;

import java.math.BigInteger;

public class StoredOutput extends TransactionOutput {

    /** Coinbase transaction */
    private final boolean isCoinBase;

    /** Output spent flag */
    private boolean isSpent;

    /** Height for block spending this output */
    private int blockHeight;

    /**
     * Creates a new stored transaction output
     *
     * @param       txIndex             Index within the transaction output list
     * @param       value               Output value expressed in 0.00000001 BTC units
     * @param       scriptBytes         Script bytes
     * @param       isCoinBase          TRUE if this is a coinbase transaction
     */
    public StoredOutput(int txIndex, BigInteger value, byte[] scriptBytes, boolean isCoinBase) {
        super(txIndex, value, scriptBytes);
        this.isSpent = false;
        this.isCoinBase = isCoinBase;
    }

    /**
     * Creates a new stored transaction output
     *
     * @param       txIndex             Index within the transaction output list
     * @param       value               Output value expressed in 0.00000001 BTC units
     * @param       scriptBytes         Script bytes
     * @param       isCoinBase          TRUE if this is a coinbase transaction
     * @param       isSpent             TRUE if the output has been spent
     * @param       blockHeight         Chain height of block spending this output
     */
    public StoredOutput(int txIndex, BigInteger value, byte[] scriptBytes, boolean isCoinBase,
                                        boolean isSpent, int blockHeight) {
        super(txIndex, value, scriptBytes);
        this.isCoinBase = isCoinBase;
        this.isSpent = isSpent;
        this.blockHeight = blockHeight;
    }

    /**
     * Checks if this is a coinbase transaction
     *
     * @return      TRUE if this is a coinbase transaction
     */
    public boolean isCoinBase() {
        return isCoinBase;
    }

    /**
     * Sets the transaction output spent indicator
     *
     * @param       isSpent         TRUE if the transaction output has been spent
     */
    public void setSpent(boolean isSpent) {
        this.isSpent = isSpent;
    }

    /**
     * Checks if the transaction output has been spent
     *
     * @return      TRUE if the output has been spent
     */
    public boolean isSpent() {
        return isSpent;
    }

    /**
     * Set the block height for the block spending this output
     *
     * @param       blockHeight     Block height
     */
    public void setHeight(int blockHeight) {
        this.blockHeight = blockHeight;
    }

    /**
     * Returns the block height for the block spending this output.  The return value
     * will be zero if the block height is not available.
     *
     * @return      Block height or zero
     */
    public int getHeight() {
        return blockHeight;
    }
}