@Test public void oneTx() throws Exception { // Check basic tx serialization. Coin v1 = COIN; Transaction t1 = createFakeTx(params, v1, myAddress); t1.getConfidence().markBroadcastBy(new PeerAddress(InetAddress.getByName("1.2.3.4"))); t1.getConfidence().markBroadcastBy(new PeerAddress(InetAddress.getByName("5.6.7.8"))); t1.getConfidence().setSource(TransactionConfidence.Source.NETWORK); myWallet.receivePending(t1, null); Wallet wallet1 = roundTrip(myWallet); assertEquals(1, wallet1.getTransactions(true).size()); assertEquals(v1, wallet1.getBalance(Wallet.BalanceType.ESTIMATED)); Transaction t1copy = wallet1.getTransaction(t1.getHash()); assertArrayEquals(t1.bitcoinSerialize(), t1copy.bitcoinSerialize()); assertEquals(2, t1copy.getConfidence().numBroadcastPeers()); assertEquals(TransactionConfidence.Source.NETWORK, t1copy.getConfidence().getSource()); Protos.Wallet walletProto = new WalletProtobufSerializer().walletToProto(myWallet); assertEquals(Protos.Key.Type.ORIGINAL, walletProto.getKey(0).getType()); assertEquals(0, walletProto.getExtensionCount()); assertEquals(1, walletProto.getTransactionCount()); assertEquals(6, walletProto.getKeyCount()); Protos.Transaction t1p = walletProto.getTransaction(0); assertEquals(0, t1p.getBlockHashCount()); assertArrayEquals(t1.getHash().getBytes(), t1p.getHash().toByteArray()); assertEquals(Protos.Transaction.Pool.PENDING, t1p.getPool()); assertFalse(t1p.hasLockTime()); assertFalse(t1p.getTransactionInput(0).hasSequence()); assertArrayEquals( t1.getInputs().get(0).getOutpoint().getHash().getBytes(), t1p.getTransactionInput(0).getTransactionOutPointHash().toByteArray()); assertEquals(0, t1p.getTransactionInput(0).getTransactionOutPointIndex()); assertEquals(t1p.getTransactionOutput(0).getValue(), v1.value); }
@Before public void setUp() throws Exception { unitTestParams = UnitTestParams.get(); wallet = new Wallet(unitTestParams); wallet.addKey(new ECKey()); resetBlockStore(); Transaction tx1 = createFakeTx( unitTestParams, Utils.toNanoCoins(2, 0), wallet.getKeys().get(0).toAddress(unitTestParams)); // add a second input so can test granularity of byte cache. Transaction prevTx = new Transaction(unitTestParams); TransactionOutput prevOut = new TransactionOutput( unitTestParams, prevTx, Utils.toNanoCoins(1, 0), wallet.getKeys().get(0).toAddress(unitTestParams)); prevTx.addOutput(prevOut); // Connect it. tx1.addInput(prevOut); Transaction tx2 = createFakeTx( unitTestParams, Utils.toNanoCoins(1, 0), new ECKey().toAddress(unitTestParams)); Block b1 = createFakeBlock(blockStore, tx1, tx2).block; BitcoinSerializer bs = new BitcoinSerializer(unitTestParams); ByteArrayOutputStream bos = new ByteArrayOutputStream(); bs.serialize(tx1, bos); tx1BytesWithHeader = bos.toByteArray(); tx1Bytes = tx1.bitcoinSerialize(); bos.reset(); bs.serialize(tx2, bos); tx2BytesWithHeader = bos.toByteArray(); tx2Bytes = tx2.bitcoinSerialize(); bos.reset(); bs.serialize(b1, bos); b1BytesWithHeader = bos.toByteArray(); b1Bytes = b1.bitcoinSerialize(); }
@Test public void testUpdateLength() { NetworkParameters params = UnitTestParams.get(); Block block = params .getGenesisBlock() .createNextBlockWithCoinbase( Block.BLOCK_VERSION_GENESIS, new ECKey().getPubKey(), Block.BLOCK_HEIGHT_GENESIS); assertEquals(block.bitcoinSerialize().length, block.length); final int origBlockLen = block.length; Transaction tx = new Transaction(params); // this is broken until the transaction has > 1 input + output (which is required anyway...) // assertTrue(tx.length == tx.bitcoinSerialize().length && tx.length == 8); byte[] outputScript = new byte[10]; Arrays.fill(outputScript, (byte) ScriptOpCodes.OP_FALSE); tx.addOutput(new TransactionOutput(params, null, Coin.SATOSHI, outputScript)); tx.addInput( new TransactionInput( params, null, new byte[] {(byte) ScriptOpCodes.OP_FALSE}, new TransactionOutPoint(params, 0, Sha256Hash.of(new byte[] {1})))); int origTxLength = 8 + 2 + 8 + 1 + 10 + 40 + 1 + 1; assertEquals(tx.bitcoinSerialize().length, tx.length); assertEquals(origTxLength, tx.length); block.addTransaction(tx); assertEquals(block.bitcoinSerialize().length, block.length); assertEquals(origBlockLen + tx.length, block.length); block .getTransactions() .get(1) .getInputs() .get(0) .setScriptBytes(new byte[] {(byte) ScriptOpCodes.OP_FALSE, (byte) ScriptOpCodes.OP_FALSE}); assertEquals(block.length, origBlockLen + tx.length); assertEquals(tx.length, origTxLength + 1); block.getTransactions().get(1).getInputs().get(0).setScriptBytes(new byte[] {}); assertEquals(block.length, block.bitcoinSerialize().length); assertEquals(block.length, origBlockLen + tx.length); assertEquals(tx.length, origTxLength - 1); block .getTransactions() .get(1) .addInput( new TransactionInput( params, null, new byte[] {(byte) ScriptOpCodes.OP_FALSE}, new TransactionOutPoint(params, 0, Sha256Hash.of(new byte[] {1})))); assertEquals(block.length, origBlockLen + tx.length); assertEquals(tx.length, origTxLength + 41); // - 1 + 40 + 1 + 1 }