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

Example 1 with MiningBlock

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

the class AionPoW method processSolution.

/**
 * Processes a received solution.
 *
 * @param solution The generated equihash solution
 */
private synchronized void processSolution(AionPowSolution solution) {
    if (!shutDown.get()) {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Best block num [{}]", blockchain.getBestBlock().getNumber());
            LOG.debug("Best block hash [{}]", Hex.toHexString(blockchain.getBestBlock().getHash()));
        }
        MiningBlock block = solution.getBlock();
        if (!Arrays.equals(block.getHeader().getNonce(), new byte[32]) && !(block.getHeader().getNonce().length == 0)) {
            // block has been processed
            return;
        }
        // set the nonce and solution
        try {
            block.seal(solution.getNonce(), solution.getSolution());
        } catch (Exception e) {
            LOG.error("seal block failed!", e);
            return;
        }
        // This can be improved
        ImportResult importResult = AionImpl.inst().addNewBlock(block);
        // Check that the new block was successfully added
        if (importResult.isSuccessful()) {
            if (importResult == IMPORTED_BEST) {
                LOG.info("block sealed <num={}, hash={}, diff={}, tx={}>", block.getNumber(), block.getShortHash(), block.getHeader().getDifficultyBI().toString(), block.getTransactionsList().size());
            } else {
                LOG.debug("block sealed <num={}, hash={}, diff={}, td={}, tx={}, result={}>", block.getNumber(), block.getShortHash(), block.getHeader().getDifficultyBI().toString(), blockchain.getTotalDifficulty(), block.getTransactionsList().size(), importResult);
            }
        // TODO: fire block mined event
        } else {
            LOG.info("Unable to import a new mined block; restarting mining.\n" + "Mined block import result is " + importResult + " : " + block.getShortHash());
        }
    }
}

Example 2 with MiningBlock

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

the class ContractIntegTest method testTransferValueToPayableConstructor.

@Test
public void testTransferValueToPayableConstructor() throws Exception {
    String contractName = "PayableConstructor";
    byte[] deployCode = getDeployCode(contractName);
    long nrg = 1_000_000;
    long nrgPrice = energyPrice;
    // attempt to transfer value to new contract.
    BigInteger value = BigInteger.TWO.pow(10);
    BigInteger nonce = BigInteger.ZERO;
    // to == null  signals that this is contract creation.
    AionTransaction tx = AionTransaction.create(deployerKey, nonce.toByteArray(), null, value.toByteArray(), deployCode, nrg, nrgPrice, txType, null);
    assertTrue(tx.isContractCreationTransaction());
    assertEquals(Builder.DEFAULT_BALANCE, blockchain.getRepository().getBalance(deployer));
    assertEquals(BigInteger.ZERO, blockchain.getRepository().getNonce(deployer));
    MiningBlock block = makeBlock(tx);
    RepositoryCache repo = blockchain.getRepository().startTracking();
    AionTxExecSummary summary = executeTransaction(tx, block, repo);
    if (txType == TransactionTypes.DEFAULT) {
        assertEquals("", summary.getReceipt().getError());
        // all energy is not used up.
        assertNotEquals(nrg, summary.getNrgUsed().longValue());
        AionAddress contract = TxUtil.calculateContractAddress(tx);
        checkStateOfNewContract(repo, contractName, contract, summary.getResult(), FastVmResultCode.SUCCESS, value);
        nonce = nonce.add(BigInteger.ONE);
        checkStateOfDeployer(repo, summary, nrgPrice, value, nonce);
    } else if (txType == TransactionTypes.AVM_CREATE_CODE) {
        assertEquals("Failed: invalid data", summary.getReceipt().getError());
        nonce = nonce.add(BigInteger.ONE);
        checkStateOfDeployer(repo, summary, nrgPrice, BigInteger.ZERO, nonce);
    }
}

Example 3 with MiningBlock

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

the class ContractIntegTest method testDeployAvmContractToAnExistedAccount.

@Test
public void testDeployAvmContractToAnExistedAccount() {
    AvmVersion version = AvmVersion.VERSION_1;
    if (txType == TransactionTypes.DEFAULT) {
        return;
    }
    long nrg = 1_000_000;
    long nrgPrice = energyPrice;
    BigInteger value = BigInteger.ONE;
    AionAddress avmAddress = TxUtil.calculateContractAddress(deployer.toByteArray(), deployerNonce);
    // create a tx the sender send some balance to the account the deployer will deploy in the
    // feature.
    AionTransaction tx = AionTransaction.create(senderKey, senderNonce.toByteArray(), avmAddress, value.toByteArray(), new byte[0], nrg, nrgPrice, TransactionTypes.DEFAULT, null);
    assertFalse(tx.isContractCreationTransaction());
    MiningBlock block = makeBlock(tx);
    assertEquals(1, block.getTransactionsList().size());
    Pair<ImportResult, AionBlockSummary> result = blockchain.tryToConnectAndFetchSummary(block);
    assertTrue(result.getLeft().isSuccessful());
    RepositoryCache repo = blockchain.getRepository().startTracking();
    assertEquals(BigInteger.ONE, repo.getBalance(avmAddress));
    BigInteger txCost = BigInteger.valueOf(nrgPrice).multiply(BigInteger.valueOf(result.getRight().getReceipts().get(0).getEnergyUsed()));
    assertEquals(senderBalance.subtract(BigInteger.ONE).subtract(txCost), repo.getBalance(sender));
    senderNonce = senderNonce.add(BigInteger.ONE);
    AionAddress avmDeployedAddress = deployAvmContract(version, deployerNonce);
    assertNotNull(avmAddress);
    assertEquals(avmAddress, avmDeployedAddress);
    repo = blockchain.getRepository().startTracking();
    IAvmResourceFactory factory = (version == AvmVersion.VERSION_1) ? this.resourceProvider.factoryForVersion1 : this.resourceProvider.factoryForVersion2;
    byte[] avmCode = factory.newContractFactory().getJarBytes(AvmContract.HELLO_WORLD);
    assertArrayEquals(avmCode, repo.getCode(avmAddress));
    assertEquals(BigInteger.ONE, repo.getBalance(avmAddress));
    byte[] call = getCallArguments(version);
    tx = AionTransaction.create(deployerKey, deployerNonce.add(BigInteger.ONE).toByteArray(), avmAddress, BigInteger.ZERO.toByteArray(), call, 2_000_000, nrgPrice, TransactionTypes.DEFAULT, null);
    block = this.blockchain.createNewMiningBlock(this.blockchain.getBestBlock(), Collections.singletonList(tx), false);
    Pair<ImportResult, AionBlockSummary> connectResult = this.blockchain.tryToConnectAndFetchSummary(block);
    AionTxReceipt receipt = connectResult.getRight().getReceipts().get(0);
    // Check the block was imported and the transaction was successful.
    assertThat(connectResult.getLeft()).isEqualTo(ImportResult.IMPORTED_BEST);
    assertThat(receipt.isSuccessful()).isTrue();
}

Example 4 with MiningBlock

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

the class ContractIntegTest method deployAvmContract.

private AionAddress deployAvmContract(AvmVersion version, BigInteger nonce) {
    byte[] jar = getJarBytes(version);
    AionTransaction transaction = AionTransaction.create(deployerKey, nonce.toByteArray(), null, BigInteger.ZERO.toByteArray(), jar, 5_000_000L, energyPrice, TransactionTypes.AVM_CREATE_CODE, null);
    MiningBlock block = this.blockchain.createNewMiningBlock(this.blockchain.getBestBlock(), Collections.singletonList(transaction), false);
    Pair<ImportResult, AionBlockSummary> connectResult = this.blockchain.tryToConnectAndFetchSummary(block);
    AionTxReceipt receipt = connectResult.getRight().getReceipts().get(0);
    // Check the block was imported, the contract has the Avm prefix, and deployment succeeded.
    assertThat(connectResult.getLeft()).isEqualTo(ImportResult.IMPORTED_BEST);
    assertThat(receipt.getTransactionOutput()[0]).isEqualTo(AddressSpecs.A0_IDENTIFIER);
    assertThat(receipt.isSuccessful()).isTrue();
    // verify that the output is indeed the contract address
    AionAddress contractAddress = TxUtil.calculateContractAddress(transaction);
    assertThat(contractAddress.toByteArray()).isEqualTo(receipt.getTransactionOutput());
    return contractAddress;
}

Example 5 with MiningBlock

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

the class ContractIntegTest method testFvmCallFunction.

@Test
public void testFvmCallFunction() throws Exception {
    String contractName = "MultiFeatureContract";
    byte[] deployCode = getDeployCode(contractName);
    long nrg = 1_000_000;
    long nrgPrice = energyPrice;
    BigInteger value = BigInteger.ONE;
    BigInteger nonce = BigInteger.ZERO;
    AionTransaction tx = AionTransaction.create(deployerKey, nonce.toByteArray(), null, value.toByteArray(), deployCode, nrg, nrgPrice, txType, null);
    RepositoryCache repo = blockchain.getRepository().startTracking();
    nonce = nonce.add(BigInteger.ONE);
    AionAddress contract = deployContract(repo, tx, contractName, null, value, nrg, nrgPrice, nonce);
    if (txType == TransactionTypes.AVM_CREATE_CODE) {
        assertNull(contract);
        return;
    }
    // ---------- This command will perform addition. ----------
    int num = 53475374;
    byte[] input = ByteUtil.merge(Hex.decode("f601704f"), new DataWord(num).getData());
    input = ByteUtil.merge(input, new DataWord(1).getData());
    tx = AionTransaction.create(deployerKey, nonce.toByteArray(), contract, BigInteger.ZERO.toByteArray(), input, nrg, nrgPrice, txType, null);
    assertFalse(tx.isContractCreationTransaction());
    MiningBlock block = makeBlock(tx);
    AionTxExecSummary summary = executeTransaction(tx, block, repo);
    assertEquals("", summary.getReceipt().getError());
    assertNotEquals(nrg, summary.getNrgUsed().longValue());
    // Since input takes in uint8 we only want the last byte of num. Output size is well-defined
    // at 128 bits, or 16 bytes.
    int expectedResult = 1111 + (num & 0xFF);
    assertEquals(expectedResult, new DataWord(summary.getResult()).intValue());
    // --------- This command will perform subtraction. ----------
    input = ByteUtil.merge(Hex.decode("f601704f"), new DataWord(num).getData());
    input = ByteUtil.merge(input, new DataWord(0).getData());
    nonce = nonce.add(BigInteger.ONE);
    tx = AionTransaction.create(deployerKey, nonce.toByteArray(), contract, BigInteger.ZERO.toByteArray(), input, nrg, nrgPrice, TransactionTypes.DEFAULT, null);
    assertFalse(tx.isContractCreationTransaction());
    block = makeBlock(tx);
    summary = executeTransaction(tx, block, repo);
    assertEquals("", summary.getReceipt().getError());
    assertNotEquals(nrg, summary.getNrgUsed().longValue());
    // Since input takes in uint8 we only want the last byte of num. Output size is well-defined
    // at 128 bits, or 16 bytes.
    expectedResult = 1111 - (num & 0xFF);
    assertEquals(expectedResult, new DataWord(summary.getResult()).intValue());
}