Best code snippets using org.bitcoinj.store.BlockStore(Showing top 15 results out of 315)

/**
 * Given a block store, looks up the previous block in this chain. Convenience method for doing
 * <tt>store.get(this.getHeader().getPrevBlockHash())</tt>.
 *
 * @return the previous block in the chain or null if it was not found in the store.
 */
public StoredBlock getPrev(BlockStore store) throws BlockStoreException {
  return store.get(getHeader().getPrevBlockHash());
}

  /**
   * <p>Convenience method that creates a CheckpointManager, loads the given data, gets the checkpoint for the given
   * time, then inserts it into the store and sets that to be the chain head. Useful when you have just created
   * a new store from scratch and want to use configure it all in one go.</p>
   *
   * <p>Note that time is adjusted backwards by a week to account for possible clock drift in the block headers.</p>
   */
  public static void checkpoint(NetworkParameters params, InputStream checkpoints, BlockStore store, long time)
      throws IOException, BlockStoreException {
    checkNotNull(params);
    checkNotNull(store);
    checkArgument(!(store instanceof FullPrunedBlockStore), "You cannot use checkpointing with a full store.");

    time -= 86400 * 7;

    checkArgument(time > 0);
    log.info("Attempting to initialize a new block store with a checkpoint for time {} ({})", time, Utils.dateTimeFormat(time * 1000));

    BufferedInputStream stream = new BufferedInputStream(checkpoints);
    CheckpointManager manager = new CheckpointManager(params, stream);
    StoredBlock checkpoint = manager.getCheckpointBefore(time);
    store.put(checkpoint);
    store.setChainHead(checkpoint);
  }
}

final int interval = this.getInterval();
for (int i = 0; i < interval; i++) {
  cursor = blockStore.get(hash);
  if (cursor == null) {

@Override
protected StoredBlock addToBlockStore(StoredBlock storedPrev, Block blockHeader, TransactionOutputChanges txOutChanges)
    throws BlockStoreException, VerificationException {
  StoredBlock newBlock = storedPrev.build(blockHeader);
  blockStore.put(newBlock);
  return newBlock;
}

private static void shutdown() {
  try {
    if (peers == null) return;  // setup() never called so nothing to do.
    if (peers.isRunning())
      peers.stop();
    saveWallet(walletFile);
    store.close();
    wallet = null;
  } catch (BlockStoreException e) {
    throw new RuntimeException(e);
  }
}

public void shutdown () throws BlockStoreException {
  peerGroup.stop();
  blockStore.close();
}

@Override
protected void doSetChainHead(StoredBlock chainHead) throws BlockStoreException {
  blockStore.setChainHead(chainHead);
}

@Override
protected StoredBlock addToBlockStore(StoredBlock storedPrev, Block blockHeader)
    throws BlockStoreException, VerificationException {
  StoredBlock newBlock = storedPrev.build(blockHeader);
  blockStore.put(newBlock);
  return newBlock;
}

@Override
protected StoredBlock addToBlockStore(StoredBlock storedPrev, Block blockHeader, TransactionOutputChanges txOutChanges)
    throws BlockStoreException, VerificationException {
  StoredBlock newBlock = storedPrev.build(blockHeader);
  blockStore.put(newBlock);
  return newBlock;
}

@Override
protected StoredBlock addToBlockStore(StoredBlock storedPrev, Block blockHeader, TransactionOutputChanges txOutChanges)
    throws BlockStoreException, VerificationException {
  StoredBlock newBlock = storedPrev.build(blockHeader);
  blockStore.put(newBlock);
  return newBlock;
}

/**
 * Given a block store, looks up the previous block in this chain. Convenience method for doing
 * <tt>store.get(this.getHeader().getPrevBlockHash())</tt>.
 *
 * @return the previous block in the chain or null if it was not found in the store.
 */
public StoredBlock getPrev(BlockStore store) throws BlockStoreException {
  return store.get(getHeader().getPrevBlockHash());
}

/**
 * Given a block store, looks up the previous block in this chain. Convenience method for doing
 * <tt>store.get(this.getHeader().getPrevBlockHash())</tt>.
 *
 * @return the previous block in the chain or null if it was not found in the store.
 */
public StoredBlock getPrev(BlockStore store) throws BlockStoreException {
  return store.get(getHeader().getPrevBlockHash());
}

@Override
protected StoredBlock addToBlockStore(StoredBlock storedPrev, Block blockHeader)
    throws BlockStoreException, VerificationException {
  StoredBlock newBlock = storedPrev.build(blockHeader);
  blockStore.put(newBlock);
  return newBlock;
}

@Override
protected StoredBlock addToBlockStore(StoredBlock storedPrev, Block blockHeader)
    throws BlockStoreException, VerificationException {
  StoredBlock newBlock = storedPrev.build(blockHeader);
  blockStore.put(newBlock);
  return newBlock;
}

/**
 * Given a block store, looks up the previous block in this chain. Convenience method for doing
 * <tt>store.get(this.getHeader().getPrevBlockHash())</tt>.
 *
 * @return the previous block in the chain or null if it was not found in the store.
 */
public StoredBlock getPrev(BlockStore store) throws BlockStoreException {
  return store.get(getHeader().getPrevBlockHash());
}