org.bitcoinj.core.AbstractBlockChain.NewBlockType Java Examples

The following examples show how to use org.bitcoinj.core.AbstractBlockChain.NewBlockType. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: BlockTest.java From bcm-android with GNU General Public License v3.0

5 votes

@Test
public void testReceiveCoinbaseTransaction() throws Exception {
    // Block 169482 (hash 0000000000000756935f1ee9d5987857b604046f846d3df56d024cdb5f368665)
    // contains coinbase transactions that are mining pool shares.
    // The private key MINERS_KEY is used to check transactions are received by a wallet correctly.

    // The address for this private key is 1GqtGtn4fctXuKxsVzRPSLmYWN1YioLi9y.
    final String MINING_PRIVATE_KEY = "5JDxPrBRghF1EvSBjDigywqfmAjpHPmTJxYtQTYJxJRHLLQA4mG";

    final long BLOCK_NONCE = 3973947400L;
    final Coin BALANCE_AFTER_BLOCK = Coin.valueOf(22223642);
    Block block169482 = MAINNET.getDefaultSerializer().makeBlock(ByteStreams.toByteArray(getClass().getResourceAsStream("block169482.dat")));

    // Check block.
    assertNotNull(block169482);
    block169482.verify(169482, EnumSet.noneOf(Block.VerifyFlag.class));
    assertEquals(BLOCK_NONCE, block169482.getNonce());

    StoredBlock storedBlock = new StoredBlock(block169482, BigInteger.ONE, 169482); // Nonsense work - not used in test.

    // Create a wallet contain the miner's key that receives a spend from a coinbase.
    ECKey miningKey = DumpedPrivateKey.fromBase58(MAINNET, MINING_PRIVATE_KEY).getKey();
    assertNotNull(miningKey);
    Context context = new Context(MAINNET);
    Wallet wallet = new Wallet(context);
    wallet.importKey(miningKey);

    // Initial balance should be zero by construction.
    assertEquals(Coin.ZERO, wallet.getBalance());

    // Give the wallet the first transaction in the block - this is the coinbase tx.
    List<Transaction> transactions = block169482.getTransactions();
    assertNotNull(transactions);
    wallet.receiveFromBlock(transactions.get(0), storedBlock, NewBlockType.BEST_CHAIN, 0);

    // Coinbase transaction should have been received successfully but be unavailable to spend (too young).
    assertEquals(BALANCE_AFTER_BLOCK, wallet.getBalance(BalanceType.ESTIMATED));
    assertEquals(Coin.ZERO, wallet.getBalance(BalanceType.AVAILABLE));
}

Example #2

Source File: BlockTest.java From green_android with GNU General Public License v3.0

4 votes

@Test
public void testReceiveCoinbaseTransaction() throws Exception {
    // Block 169482 (hash 0000000000000756935f1ee9d5987857b604046f846d3df56d024cdb5f368665)
    // contains coinbase transactions that are mining pool shares.
    // The private key MINERS_KEY is used to check transactions are received by a wallet correctly.

    // The address for this private key is 1GqtGtn4fctXuKxsVzRPSLmYWN1YioLi9y.
    final String MINING_PRIVATE_KEY = "5JDxPrBRghF1EvSBjDigywqfmAjpHPmTJxYtQTYJxJRHLLQA4mG";

    final long BLOCK_NONCE = 3973947400L;
    final Coin BALANCE_AFTER_BLOCK = Coin.valueOf(22223642);
    final NetworkParameters PARAMS = MainNetParams.get();

    Block block169482 = PARAMS.getDefaultSerializer().makeBlock(ByteStreams.toByteArray(getClass().getResourceAsStream("block169482.dat")));

    // Check block.
    assertNotNull(block169482);
    block169482.verify(169482, EnumSet.noneOf(Block.VerifyFlag.class));
    assertEquals(BLOCK_NONCE, block169482.getNonce());

    StoredBlock storedBlock = new StoredBlock(block169482, BigInteger.ONE, 169482); // Nonsense work - not used in test.

    // Create a wallet contain the miner's key that receives a spend from a coinbase.
    ECKey miningKey = DumpedPrivateKey.fromBase58(PARAMS, MINING_PRIVATE_KEY).getKey();
    assertNotNull(miningKey);
    Context context = new Context(PARAMS);
    Wallet wallet = new Wallet(context);
    wallet.importKey(miningKey);

    // Initial balance should be zero by construction.
    assertEquals(Coin.ZERO, wallet.getBalance());

    // Give the wallet the first transaction in the block - this is the coinbase tx.
    List<Transaction> transactions = block169482.getTransactions();
    assertNotNull(transactions);
    wallet.receiveFromBlock(transactions.get(0), storedBlock, NewBlockType.BEST_CHAIN, 0);

    // Coinbase transaction should have been received successfully but be unavailable to spend (too young).
    assertEquals(BALANCE_AFTER_BLOCK, wallet.getBalance(BalanceType.ESTIMATED));
    assertEquals(Coin.ZERO, wallet.getBalance(BalanceType.AVAILABLE));
}

Example #3

Source File: BlockTest.java From GreenBits with GNU General Public License v3.0

4 votes

@Test
public void testReceiveCoinbaseTransaction() throws Exception {
    // Block 169482 (hash 0000000000000756935f1ee9d5987857b604046f846d3df56d024cdb5f368665)
    // contains coinbase transactions that are mining pool shares.
    // The private key MINERS_KEY is used to check transactions are received by a wallet correctly.

    // The address for this private key is 1GqtGtn4fctXuKxsVzRPSLmYWN1YioLi9y.
    final String MINING_PRIVATE_KEY = "5JDxPrBRghF1EvSBjDigywqfmAjpHPmTJxYtQTYJxJRHLLQA4mG";

    final long BLOCK_NONCE = 3973947400L;
    final Coin BALANCE_AFTER_BLOCK = Coin.valueOf(22223642);
    final NetworkParameters PARAMS = MainNetParams.get();

    Block block169482 = PARAMS.getDefaultSerializer().makeBlock(ByteStreams.toByteArray(getClass().getResourceAsStream("block169482.dat")));

    // Check block.
    assertNotNull(block169482);
    block169482.verify(169482, EnumSet.noneOf(Block.VerifyFlag.class));
    assertEquals(BLOCK_NONCE, block169482.getNonce());

    StoredBlock storedBlock = new StoredBlock(block169482, BigInteger.ONE, 169482); // Nonsense work - not used in test.

    // Create a wallet contain the miner's key that receives a spend from a coinbase.
    ECKey miningKey = DumpedPrivateKey.fromBase58(PARAMS, MINING_PRIVATE_KEY).getKey();
    assertNotNull(miningKey);
    Context context = new Context(PARAMS);
    Wallet wallet = new Wallet(context);
    wallet.importKey(miningKey);

    // Initial balance should be zero by construction.
    assertEquals(Coin.ZERO, wallet.getBalance());

    // Give the wallet the first transaction in the block - this is the coinbase tx.
    List<Transaction> transactions = block169482.getTransactions();
    assertNotNull(transactions);
    wallet.receiveFromBlock(transactions.get(0), storedBlock, NewBlockType.BEST_CHAIN, 0);

    // Coinbase transaction should have been received successfully but be unavailable to spend (too young).
    assertEquals(BALANCE_AFTER_BLOCK, wallet.getBalance(BalanceType.ESTIMATED));
    assertEquals(Coin.ZERO, wallet.getBalance(BalanceType.AVAILABLE));
}