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A Java Bitcoin library

There is a newer version: 0.15-cm06

/*
 * Copyright 2014 Giannis Dzegoutanis
 *
 * 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 org.bitcoinj.script.Script;
import org.bitcoinj.wallet.WalletTransaction;

import java.util.Map;

/**
 * This interface is used to abstract the {@link org.bitcoinj.wallet.Wallet} and the {@link org.bitcoinj.core.Transaction}
 */
public interface TransactionBag {
    /** Returns true if this wallet contains a public key which hashes to the given hash. */
    boolean isPubKeyHashMine(byte[] pubkeyHash);

    /** Returns true if this wallet is watching transactions for outputs with the script. */
    boolean isWatchedScript(Script script);

    /** Returns true if this wallet contains a keypair with the given public key. */
    boolean isPubKeyMine(byte[] pubkey);

    /** Returns true if this wallet knows the script corresponding to the given hash. */
    boolean isPayToScriptHashMine(byte[] payToScriptHash);

    /** Returns transactions from a specific pool. */
    Map getTransactionPool(WalletTransaction.Pool pool);
}