public void sweepKey(ECKey key, long fee, int accountId, JSONArray outputs) { mLogger.info("sweepKey starting"); mLogger.info("key addr " + key.toAddress(mParams).toString()); Transaction tx = new Transaction(mParams); long balance = 0; ArrayList<Script> scripts = new ArrayList<Script>(); try { for (int ii = 0; ii < outputs.length(); ++ii) { JSONObject output; output = outputs.getJSONObject(ii); String tx_hash = output.getString("tx_hash"); int tx_output_n = output.getInt("tx_output_n"); String script = output.getString("script"); // Reverse byte order, create hash. Sha256Hash hash = new Sha256Hash(WalletUtil.msgHexToBytes(tx_hash)); tx.addInput( new TransactionInput( mParams, tx, new byte[] {}, new TransactionOutPoint(mParams, tx_output_n, hash))); scripts.add(new Script(Hex.decode(script))); balance += output.getLong("value"); } } catch (JSONException e) { e.printStackTrace(); throw new RuntimeException("trouble parsing unspent outputs"); } // Compute balance - fee. long amount = balance - fee; mLogger.info(String.format("sweeping %d", amount)); // Figure out the destination address. Address to = mHDWallet.nextReceiveAddress(accountId); mLogger.info("sweeping to " + to.toString()); // Add output. tx.addOutput(BigInteger.valueOf(amount), to); WalletUtil.signTransactionInputs(tx, Transaction.SigHash.ALL, key, scripts); mLogger.info("tx bytes: " + new String(Hex.encode(tx.bitcoinSerialize()))); // mKit.peerGroup().broadcastTransaction(tx); broadcastTransaction(mKit.peerGroup(), tx); mLogger.info("sweepKey finished"); }
public Address nextReceiveAddress(int acctnum) { return mHDWallet.nextReceiveAddress(acctnum); }