Examples with Transaction org.ethereum.core.Transaction used on opensource projects

Example 81 with Transaction

use of org.ethereum.core.Transaction in project rskj by rsksmart.

the class TxValidator method filterTxs.

/**
 * Where the magic occurs, will filter out invalid txs
 */
List<Transaction> filterTxs(List<Transaction> txs) {
    List<Transaction> acceptedTxs = new LinkedList<>();
    for (Transaction tx : txs) {
        String hash = tx.getHash().toJsonString();
        AccountState state = repository.getAccountState(tx.getSender());
        if (state == null) {
            state = new AccountState();
        }
        BigInteger blockGasLimit = BigIntegers.fromUnsignedByteArray(blockchain.getBestBlock().getGasLimit());
        Coin minimumGasPrice = blockchain.getBestBlock().getMinimumGasPrice();
        long bestBlockNumber = blockchain.getBestBlock().getNumber();
        long basicTxCost = tx.transactionCost(config, blockchain.getBestBlock());
        boolean valid = true;
        for (TxValidatorStep step : validatorSteps) {
            if (!step.validate(tx, state, blockGasLimit, minimumGasPrice, bestBlockNumber, basicTxCost == 0)) {
                logger.info("Tx validation failed: validator {} tx={}", step.getClass().getName(), tx.getHash());
                valid = false;
                break;
            }
        }
        if (!valid) {
            continue;
        }
        acceptedTxs.add(tx);
    }
    return acceptedTxs;
}

Example 82 with Transaction

use of org.ethereum.core.Transaction in project rskj by rsksmart.

the class TxsPerAccount method removeNonce.

void removeNonce(BigInteger nonce) {
    List<Transaction> newlist = new LinkedList<>();
    for (Transaction tx : this.txs) {
        if (new BigInteger(1, tx.getNonce()).compareTo(nonce) == 0) {
            continue;
        }
        newlist.add(tx);
    }
    this.txs = newlist;
    if (newlist.isEmpty()) {
        this.nextNonce = null;
    }
}

Example 83 with Transaction

use of org.ethereum.core.Transaction in project rskj by rsksmart.

the class TxFilterAccumCostFilter method filter.

@Override
public List<Transaction> filter(AccountState state, TxsPerAccount tpa, Block block) {
    Coin accumTxCost = Coin.ZERO;
    tpa.getTransactions().sort((t1, t2) -> {
        BigInteger n1 = new BigInteger(1, t1.getNonce());
        BigInteger n2 = new BigInteger(1, t2.getNonce());
        return n1.compareTo(n2);
    });
    List<Transaction> newTxs = new LinkedList<>();
    for (Transaction t : tpa.getTransactions()) {
        Coin gasCost = Coin.ZERO;
        if (block == null || t.transactionCost(config, block) > 0) {
            BigInteger gasLimit = new BigInteger(1, t.getGasLimit());
            gasCost = t.getGasPrice().multiply(gasLimit);
        }
        if (accumTxCost.add(gasCost).compareTo(state.getBalance()) > 0) {
            break;
        }
        accumTxCost = accumTxCost.add(gasCost);
        accumTxCost = accumTxCost.add(t.getValue());
        newTxs.add(t);
    }
    return newTxs;
}

Example 84 with Transaction

use of org.ethereum.core.Transaction in project rskj by rsksmart.

the class TransactionsMessage method getEncodedMessage.

@Override
public byte[] getEncodedMessage() {
    List<byte[]> encodedElements = new ArrayList<>();
    for (Transaction tx : transactions) {
        encodedElements.add(tx.getEncoded());
    }
    byte[][] encodedElementArray = encodedElements.toArray(new byte[encodedElements.size()][]);
    return RLP.encodeList(encodedElementArray);
}

Example 85 with Transaction

use of org.ethereum.core.Transaction in project rskj by rsksmart.

the class MinerUtilsTest method validTransactionRepositoryNonceTest.

@Test
public void validTransactionRepositoryNonceTest() {
    Transaction tx = Tx.create(config, 0, 50000, 5, 0, 0, 0);
    // Mockito.when(tx.checkGasPrice(Mockito.any(BigInteger.class))).thenReturn(true);
    List<Transaction> txs = new LinkedList<>();
    txs.add(tx);
    Map<RskAddress, BigInteger> accountNounces = new HashMap();
    Repository repository = Mockito.mock(Repository.class);
    Mockito.when(repository.getNonce(tx.getSender())).thenReturn(BigInteger.valueOf(0));
    Coin minGasPrice = Coin.valueOf(1L);
    List<Transaction> res = new MinerUtils().filterTransactions(new LinkedList<>(), txs, accountNounces, repository, minGasPrice);
    Assert.assertEquals(1, res.size());
}