Examples with TransactionOutput snowblossom.proto.TransactionOutput used on opensource projects

Example 1 with TransactionOutput

use of snowblossom.proto.TransactionOutput in project snowblossom by snowblossomcoin.

the class MemPoolTest method testBasicTxNoInput.

@Test
public void testBasicTxNoInput() throws Exception {
    HashedTrie utxo_trie = newMemoryTrie();
    KeyPair keys = KeyUtil.generateECCompressedKey();
    UtxoUpdateBuffer utxo_buffer = new UtxoUpdateBuffer(utxo_trie, UtxoUpdateBuffer.EMPTY);
    TransactionInput in = addUtxoToUseAtInput(utxo_buffer, keys, 100000L);
    ChainHash utxo_root = UtxoUpdateBuffer.EMPTY;
    TransactionOutput out = TransactionOutput.newBuilder().setRecipientSpecHash(in.getSpecHash()).setValue(100000L).build();
    Transaction tx = TransactionUtil.createTransaction(ImmutableList.of(in), ImmutableList.of(out), keys);
    MemPool mem_pool = new MemPool(utxo_trie, new DummyChainState(100));
    mem_pool.rebuildPriorityMap(utxo_root);
    // Pool starts empty
    Assert.assertEquals(0, mem_pool.getTransactionsForBlock(utxo_root, 1048576).size());
    try {
        mem_pool.addTransaction(tx, false);
        Assert.fail();
    } catch (ValidationException e) {
        Assert.assertTrue(e.getMessage(), e.getMessage().startsWith("Unable to find source tx"));
    }
}

Example 2 with TransactionOutput

use of snowblossom.proto.TransactionOutput in project snowblossom by snowblossomcoin.

the class MemPoolTest method testBasicTxNoDoubleInput.

@Test
public void testBasicTxNoDoubleInput() throws Exception {
    HashedTrie utxo_trie = newMemoryTrie();
    KeyPair keys = KeyUtil.generateECCompressedKey();
    UtxoUpdateBuffer utxo_buffer = new UtxoUpdateBuffer(utxo_trie, UtxoUpdateBuffer.EMPTY);
    TransactionInput in = addUtxoToUseAtInput(utxo_buffer, keys, 100000L);
    ChainHash utxo_root = utxo_buffer.commit();
    TransactionOutput out = TransactionOutput.newBuilder().setRecipientSpecHash(in.getSpecHash()).setValue(200000L).build();
    Transaction tx = TransactionUtil.createTransaction(ImmutableList.of(in, in), ImmutableList.of(out), keys);
    MemPool mem_pool = new MemPool(utxo_trie, new DummyChainState(100));
    mem_pool.rebuildPriorityMap(utxo_root);
    // Pool starts empty
    Assert.assertEquals(0, mem_pool.getTransactionsForBlock(utxo_root, 1048576).size());
    try {
        mem_pool.addTransaction(tx, false);
        Assert.fail();
    } catch (ValidationException e) {
        System.out.println(e);
    }
}

Example 3 with TransactionOutput

use of snowblossom.proto.TransactionOutput in project snowblossom by snowblossomcoin.

the class MemPoolTest method testBasicTxYes.

@Test
public void testBasicTxYes() throws Exception {
    HashedTrie utxo_trie = newMemoryTrie();
    KeyPair keys = KeyUtil.generateECCompressedKey();
    UtxoUpdateBuffer utxo_buffer = new UtxoUpdateBuffer(utxo_trie, UtxoUpdateBuffer.EMPTY);
    TransactionInput in = addUtxoToUseAtInput(utxo_buffer, keys, 100000L);
    ChainHash utxo_root = utxo_buffer.commit();
    TransactionOutput out = TransactionOutput.newBuilder().setRecipientSpecHash(in.getSpecHash()).setValue(100000L).build();
    Transaction tx = TransactionUtil.createTransaction(ImmutableList.of(in), ImmutableList.of(out), keys);
    MemPool mem_pool = new MemPool(utxo_trie, new DummyChainState(100));
    mem_pool.rebuildPriorityMap(utxo_root);
    // Pool starts empty
    Assert.assertEquals(0, mem_pool.getTransactionsForBlock(utxo_root, 1048576).size());
    mem_pool.addTransaction(tx, false);
    // Then has our transaction
    Assert.assertEquals(1, mem_pool.getTransactionsForBlock(utxo_root, 1048576).size());
    mem_pool.rebuildPriorityMap(utxo_root);
    // Still has our transaction
    Assert.assertEquals(1, mem_pool.getTransactionsForBlock(utxo_root, 1048576).size());
    mem_pool.rebuildPriorityMap(UtxoUpdateBuffer.EMPTY);
    // That transaction is impossible now
    Assert.assertEquals(0, mem_pool.getTransactionsForBlock(utxo_root, 1048576).size());
    mem_pool.rebuildPriorityMap(utxo_root);
    // And does not come back
    Assert.assertEquals(0, mem_pool.getTransactionsForBlock(utxo_root, 1048576).size());
    TransactionOutput out_a = TransactionOutput.newBuilder().setRecipientSpecHash(in.getSpecHash()).setValue(50000L).build();
    Transaction tx2 = TransactionUtil.createTransaction(ImmutableList.of(in), ImmutableList.of(out_a, out_a), keys);
    Assert.assertNotEquals(tx.getTxHash(), tx2.getTxHash());
    mem_pool.addTransaction(tx2, false);
    // And the outputs are freed up
    Assert.assertEquals(1, mem_pool.getTransactionsForBlock(utxo_root, 1048576).size());
}

Example 4 with TransactionOutput

use of snowblossom.proto.TransactionOutput in project snowblossom by snowblossomcoin.

the class UtxoUpdateBuffer method addOutputs.

public void addOutputs(ImportedOutputList import_list) throws ValidationException {
    for (ImportedOutput io : import_list.getTxOutsList()) {
        try {
            TransactionOutput out = TransactionOutput.parseFrom(io.getRawOutput());
            ByteString key = getKey(new AddressSpecHash(out.getRecipientSpecHash()), new ChainHash(io.getTxId()), io.getOutIdx());
            updates.put(key, io.getRawOutput());
        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
            throw new ValidationException(e);
        }
    }
}

Example 5 with TransactionOutput

use of snowblossom.proto.TransactionOutput in project snowblossom by snowblossomcoin.

the class TransactionBridge method getConnections.

public static List<TransactionBridge> getConnections(Transaction tx) {
    TransactionInner inner = TransactionUtil.getInner(tx);
    LinkedList<TransactionBridge> lst = new LinkedList<>();
    for (int i = 0; i < inner.getOutputsCount(); i++) {
        TransactionOutput out = inner.getOutputs(i);
        lst.add(new TransactionBridge(out, i, new ChainHash(tx.getTxHash())));
    }
    return lst;
}