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A Java Bitcoin library

There is a newer version: 0.15-cm06

/*
 * Copyright 2013 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.bitcoinj.core;

import javax.annotation.Nullable;

import static com.google.common.base.Preconditions.checkNotNull;

/**
 * Thrown to indicate that you don't have enough money available to perform the requested operation.
 */
public class InsufficientMoneyException extends Exception {
    /** Contains the number of satoshis that would have been required to complete the operation. */
    @Nullable
    public final Coin missing;

    protected InsufficientMoneyException() {
        this.missing = null;
    }

    public InsufficientMoneyException(Coin missing) {
        this(missing, "Insufficient money,  missing " + missing.toFriendlyString());
    }

    public InsufficientMoneyException(Coin missing, String message) {
        super(message);
        this.missing = checkNotNull(missing);
    }
}