Java TestUtils.createFakeTx方法代码示例

import com.google.bitcoin.utils.TestUtils; //导入方法依赖的package包/类
@Test
public void intraBlockDependencies() throws Exception {
    // Covers issue 166 in which transactions that depend on each other inside a block were not always being
    // considered relevant.
    Address somebodyElse = new ECKey().toAddress(unitTestParams);
    Block b1 = unitTestParams.getGenesisBlock().createNextBlock(somebodyElse);
    ECKey key = new ECKey();
    wallet.addKey(key);
    Address addr = key.toAddress(unitTestParams);
    // Create a tx that gives us some coins, and another that spends it to someone else in the same block.
    Transaction t1 = TestUtils.createFakeTx(unitTestParams, Utils.toNanoCoins(1, 0), addr);
    Transaction t2 = new Transaction(unitTestParams);
    t2.addInput(t1.getOutputs().get(0));
    t2.addOutput(Utils.toNanoCoins(2, 0), somebodyElse);
    b1.addTransaction(t1);
    b1.addTransaction(t2);
    b1.solve();
    chain.add(b1);
    assertEquals(BigInteger.ZERO, wallet.getBalance());
}
 

import com.google.bitcoin.utils.TestUtils; //导入方法依赖的package包/类
@Test
public void orderingInsideBlock() throws Exception {
    // Test that transactions received in the same block have their ordering preserved when reorganising.
    // This covers issue 468.

    // Receive some money to the wallet.
    Transaction t1 = TestUtils.createFakeTx(unitTestParams, Utils.COIN, coinsTo);
    final Block b1 = TestUtils.makeSolvedTestBlock(unitTestParams.genesisBlock, t1);
    chain.add(b1);

    // Send a couple of payments one after the other (so the second depends on the change output of the first).
    wallet.allowSpendingUnconfirmedTransactions();
    Transaction t2 = checkNotNull(wallet.createSend(new ECKey().toAddress(unitTestParams), Utils.CENT));
    wallet.commitTx(t2);
    Transaction t3 = checkNotNull(wallet.createSend(new ECKey().toAddress(unitTestParams), Utils.CENT));
    wallet.commitTx(t3);
    chain.add(TestUtils.makeSolvedTestBlock(b1, t2, t3));

    final BigInteger coins0point98 = Utils.COIN.subtract(Utils.CENT).subtract(Utils.CENT);
    assertEquals(coins0point98, wallet.getBalance());

    // Now round trip the wallet and force a re-org.
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    wallet.saveToFileStream(bos);
    wallet = Wallet.loadFromFileStream(new ByteArrayInputStream(bos.toByteArray()));
    final Block b2 = TestUtils.makeSolvedTestBlock(b1, t2, t3);
    final Block b3 = TestUtils.makeSolvedTestBlock(b2);
    chain.add(b2);
    chain.add(b3);

    // And verify that the balance is as expected. Because signatures are currently non-deterministic if the order
    // isn't being stored correctly this should fail 50% of the time.
    assertEquals(coins0point98, wallet.getBalance());
}
 

import com.google.bitcoin.utils.TestUtils; //导入方法依赖的package包/类
@Test
public void receiveTxBroadcast() throws Exception {
    // Check that when we receive transactions on all our peers, we do the right thing.
    peerGroup.startAndWait();

    // Create a couple of peers.
    InboundMessageQueuer p1 = connectPeer(1);
    InboundMessageQueuer p2 = connectPeer(2);
    
    // Check the peer accessors.
    assertEquals(2, peerGroup.numConnectedPeers());
    Set<Peer> tmp = new HashSet<Peer>(peerGroup.getConnectedPeers());
    Set<Peer> expectedPeers = new HashSet<Peer>();
    expectedPeers.add(peerOf(p1));
    expectedPeers.add(peerOf(p2));
    assertEquals(tmp, expectedPeers);

    BigInteger value = Utils.toNanoCoins(1, 0);
    Transaction t1 = TestUtils.createFakeTx(unitTestParams, value, address);
    InventoryMessage inv = new InventoryMessage(unitTestParams);
    inv.addTransaction(t1);

    // Note: we start with p2 here to verify that transactions are downloaded from whichever peer announces first
    // which does not have to be the same as the download peer (which is really the "block download peer").
    inbound(p2, inv);
    assertTrue(outbound(p2) instanceof GetDataMessage);
    inbound(p1, inv);
    assertNull(outbound(p1));  // Only one peer is used to download.
    inbound(p2, t1);
    assertNull(outbound(p1));
    // Asks for dependency.
    GetDataMessage getdata = (GetDataMessage) outbound(p2);
    assertNotNull(getdata);
    inbound(p2, new NotFoundMessage(unitTestParams, getdata.getItems()));
    pingAndWait(p2);
    assertEquals(value, wallet.getBalance(Wallet.BalanceType.ESTIMATED));
    peerGroup.stopAndWait();
}
 

import com.google.bitcoin.utils.TestUtils; //导入方法依赖的package包/类
@Before
public void setup() throws Exception {
    BriefLogFormatter.init();
    tx1 = TestUtils.createFakeTx(params, Utils.toNanoCoins(1, 0), new ECKey().toAddress(params));
    tx2 = new Transaction(params, tx1.bitcoinSerialize());

    address1 = new PeerAddress(InetAddress.getByAddress(new byte[] { 127, 0, 0, 1 }));
    address2 = new PeerAddress(InetAddress.getByAddress(new byte[] { 127, 0, 0, 2 }));
    address3 = new PeerAddress(InetAddress.getByAddress(new byte[] { 127, 0, 0, 3 }));
}
 

import com.google.bitcoin.utils.TestUtils; //导入方法依赖的package包/类
@Test
public void receiveTxBroadcast() throws Exception {
    // Check that when we receive transactions on all our peers, we do the right thing.
    peerGroup.startAndWait();

    // Create a couple of peers.
    FakeChannel p1 = connectPeer(1);
    FakeChannel p2 = connectPeer(2);
    
    // Check the peer accessors.
    assertEquals(2, peerGroup.numConnectedPeers());
    Set<Peer> tmp = new HashSet<Peer>(peerGroup.getConnectedPeers());
    Set<Peer> expectedPeers = new HashSet<Peer>();
    expectedPeers.add(peerOf(p1));
    expectedPeers.add(peerOf(p2));
    assertEquals(tmp, expectedPeers);

    BigInteger value = Utils.toNanoCoins(1, 0);
    Transaction t1 = TestUtils.createFakeTx(unitTestParams, value, address);
    InventoryMessage inv = new InventoryMessage(unitTestParams);
    inv.addTransaction(t1);

    // Note: we start with p2 here to verify that transactions are downloaded from whichever peer announces first
    // which does not have to be the same as the download peer (which is really the "block download peer").
    inbound(p2, inv);
    assertTrue(outbound(p2) instanceof GetDataMessage);
    inbound(p1, inv);
    assertNull(outbound(p1));  // Only one peer is used to download.
    inbound(p2, t1);
    assertNull(outbound(p1));
    // Asks for dependency.
    GetDataMessage getdata = (GetDataMessage) outbound(p2);
    assertNotNull(getdata);
    inbound(p2, new NotFoundMessage(unitTestParams, getdata.getItems()));
    assertEquals(value, wallet.getBalance(Wallet.BalanceType.ESTIMATED));
    peerGroup.stopAndWait();
}