Examples with AionBlock org.aion.zero.impl.types.AionBlock used on opensource projects

Example 41 with AionBlock

use of org.aion.zero.impl.types.AionBlock in project aion by aionnetwork.

the class BlockchainIntegrationTest method testSimpleFailedTransactionInsufficientBalance.

@Test
public void testSimpleFailedTransactionInsufficientBalance() {
    // generate a recipient
    final Address receiverAddress = Address.wrap(ByteUtil.hexStringToBytes("CAFECAFECAFECAFECAFECAFECAFECAFECAFECAFECAFECAFECAFECAFECAFECAFE"));
    StandaloneBlockchain.Bundle bundle = (new StandaloneBlockchain.Builder()).withValidatorConfiguration("simple").withDefaultAccounts().build();
    StandaloneBlockchain bc = bundle.bc;
    // (byte[] nonce, byte[] from, byte[] to, byte[] value, byte[] data)
    AionTransaction tx = new AionTransaction(BigInteger.valueOf(1).toByteArray(), receiverAddress, BigInteger.valueOf(100).toByteArray(), ByteUtil.EMPTY_BYTE_ARRAY, 1L, 1L);
    tx.sign(bundle.privateKeys.get(0));
    AionBlock block = bc.createNewBlock(bc.getBestBlock(), Collections.singletonList(tx), true);
    assertThat(block.getTransactionsList()).isEmpty();
    assertThat(block.getTxTrieRoot()).isEqualTo(HashUtil.EMPTY_TRIE_HASH);
    ImportResult connection = bc.tryToConnect(block);
    assertThat(connection).isEqualTo(ImportResult.IMPORTED_BEST);
}

Example 42 with AionBlock

use of org.aion.zero.impl.types.AionBlock in project aion by aionnetwork.

the class BlockchainIntegrationTest method testCreateNewEmptyBlock.

@Test
public void testCreateNewEmptyBlock() {
    StandaloneBlockchain.Bundle bundle = (new StandaloneBlockchain.Builder()).withDefaultAccounts().build();
    StandaloneBlockchain bc = bundle.bc;
    AionBlock block = bc.createNewBlock(bc.getBestBlock(), Collections.EMPTY_LIST, true);
    assertThat(block.getParentHash()).isEqualTo(bc.getGenesis().getHash());
}

Example 43 with AionBlock

use of org.aion.zero.impl.types.AionBlock in project aion by aionnetwork.

the class ApiAion method getTransactionCount.

public long getTransactionCount(Address addr, long blkNr) {
    AionBlock pBlk = this.getBlock(blkNr);
    if (pBlk == null) {
        LOG.error("ApiAion.getTransactionByBlockNumberAndIndex - can't find the block by the block number");
        return -1;
    }
    long cnt = 0;
    List<AionTransaction> txList = pBlk.getTransactionsList();
    for (AionTransaction tx : txList) {
        if (addr.equals(tx.getFrom())) {
            cnt++;
        }
    }
    return cnt;
}

Example 44 with AionBlock

use of org.aion.zero.impl.types.AionBlock in project aion by aionnetwork.

the class ApiAion method getBlockTemplate.

public AionBlock getBlockTemplate() {
    // TODO: Change to follow onBlockTemplate event mode defined in internal
    // miner
    // TODO: Track multiple block templates
    AionBlock bestPendingState = ((AionPendingStateImpl) ac.getAionHub().getPendingState()).getBestBlock();
    AionPendingStateImpl.TransactionSortedSet ret = new AionPendingStateImpl.TransactionSortedSet();
    ret.addAll(ac.getAionHub().getPendingState().getPendingTransactions());
    return ac.getAionHub().getBlockchain().createNewBlock(bestPendingState, new ArrayList<>(ret), false);
}

Example 45 with AionBlock

use of org.aion.zero.impl.types.AionBlock in project aion by aionnetwork.

the class AionBlockchainImpl method createNewBlock.

public synchronized AionBlock createNewBlock(AionBlock parent, List<AionTransaction> txs, boolean waitUntilBlockTime) {
    long time = System.currentTimeMillis() / THOUSAND_MS;
    if (parent.getTimestamp() >= time) {
        time = parent.getTimestamp() + 1;
        while (waitUntilBlockTime && System.currentTimeMillis() / THOUSAND_MS <= time) {
            try {
                Thread.sleep(500);
            } catch (InterruptedException e) {
                break;
            }
        }
    }
    long energyLimit = this.chainConfiguration.calcEnergyLimit(parent.getHeader());
    A0BlockHeader.Builder headerBuilder = new A0BlockHeader.Builder();
    headerBuilder.withParentHash(parent.getHash()).withCoinbase(minerCoinbase).withNumber(parent.getNumber() + 1).withTimestamp(time).withExtraData(minerExtraData).withTxTrieRoot(calcTxTrie(txs)).withEnergyLimit(energyLimit);
    AionBlock block = new AionBlock(headerBuilder.build(), txs);
    block.getHeader().setDifficulty(ByteUtil.bigIntegerToBytes(this.chainConfiguration.getDifficultyCalculator().calculateDifficulty(block.getHeader(), parent.getHeader()), DIFFICULTY_BYTES));
    /*
         * Begin execution phase
         */
    pushState(parent.getHash());
    track = repository.startTracking();
    track.rollback();
    RetValidPreBlock preBlock = generatePreBlock(block);
    /*
         * Calculate the gas used for the included transactions
         */
    long totalEnergyUsed = 0;
    for (AionTxExecSummary summary : preBlock.summaries) {
        totalEnergyUsed = totalEnergyUsed + summary.getNrgUsed().longValueExact();
    }
    byte[] stateRoot = getRepository().getRoot();
    popState();
    /*
         * End execution phase
         */
    Bloom logBloom = new Bloom();
    for (AionTxReceipt receipt : preBlock.receipts) {
        logBloom.or(receipt.getBloomFilter());
    }
    block.seal(preBlock.txs, calcTxTrie(preBlock.txs), stateRoot, logBloom.getData(), calcReceiptsTrie(preBlock.receipts), totalEnergyUsed);
    return block;
}