Examples with DataWord org.aion.util.types.DataWord used on opensource projects

Example 21 with DataWord

use of org.aion.util.types.DataWord 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());
}

Example 22 with DataWord

use of org.aion.util.types.DataWord in project aion by aionnetwork.

the class ContractIntegTest method extractOutput.

/**
 * Extracts output from rawOutput under the assumption that rawOutput is the result output of a
 * call to the fastVM and this output is of variable length not predefined length.
 */
private byte[] extractOutput(byte[] rawOutput) {
    int headerLen = new DataWord(Arrays.copyOfRange(rawOutput, 0, DataWord.BYTES)).intValue();
    int outputLen = new DataWord(Arrays.copyOfRange(rawOutput, (DataWord.BYTES * 2) - headerLen, DataWord.BYTES * 2)).intValue();
    byte[] output = new byte[outputLen];
    System.arraycopy(rawOutput, DataWord.BYTES * 2, output, 0, outputLen);
    return output;
}

Example 23 with DataWord

use of org.aion.util.types.DataWord in project aion by aionnetwork.

the class ContractIntegTest method testCallContractViaAnotherContract.

@Test
public void testCallContractViaAnotherContract() throws Exception {
    // Deploy the MultiFeatureContract.
    String contractName = "MultiFeatureContract";
    byte[] deployCode = getDeployCode(contractName);
    long nrg = 1_000_000;
    long nrgPrice = energyPrice;
    BigInteger value = BigInteger.TWO.pow(20);
    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 multiFeatureContract = deployContract(repo, tx, contractName, null, value, nrg, nrgPrice, nonce);
    if (txType == TransactionTypes.AVM_CREATE_CODE) {
        assertNull(multiFeatureContract);
        return;
    }
    deployerBalance = repo.getBalance(deployer);
    deployerNonce = repo.getNonce(deployer);
    // Deploy the MultiFeatureCaller contract.
    contractName = "MultiFeatureCaller";
    deployCode = getDeployCode(contractName);
    value = BigInteger.ZERO;
    tx = AionTransaction.create(deployerKey, nonce.toByteArray(), null, value.toByteArray(), deployCode, nrg, nrgPrice, txType, null);
    nonce = nonce.add(BigInteger.ONE);
    AionAddress callerContract = deployContract(repo, tx, contractName, null, value, nrg, nrgPrice, nonce);
    AionAddress recipient = new AionAddress(RandomUtils.nextBytes(AionAddress.LENGTH));
    deployerBalance = repo.getBalance(deployer);
    deployerNonce = repo.getNonce(deployer);
    // Set the MultiFeatureCaller to call the deployed MultiFeatureContract.
    byte[] input = ByteUtil.merge(Hex.decode("8c30ffe6"), multiFeatureContract.toByteArray());
    tx = AionTransaction.create(deployerKey, nonce.toByteArray(), callerContract, 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());
    BigInteger txCost = BigInteger.valueOf(summary.getNrgUsed().longValue()).multiply(BigInteger.valueOf(nrgPrice));
    assertEquals(deployerBalance.subtract(txCost), repo.getBalance(deployer));
    deployerBalance = repo.getBalance(deployer);
    deployerNonce = repo.getNonce(deployer);
    // Now use the MultiFeatureCaller to call the MultiFeatureContract to send funds from that
    // contract to the recipient address.
    assertEquals(BigInteger.ZERO, repo.getBalance(recipient));
    value = BigInteger.TWO.pow(20);
    input = ByteUtil.merge(Hex.decode("57a60e6b"), recipient.toByteArray());
    input = ByteUtil.merge(input, new DataWord(value).getData());
    nonce = nonce.add(BigInteger.ONE);
    tx = AionTransaction.create(deployerKey, nonce.toByteArray(), callerContract, BigInteger.ZERO.toByteArray(), input, nrg, nrgPrice, txType, null);
    assertFalse(tx.isContractCreationTransaction());
    block = makeBlock(tx);
    summary = executeTransaction(tx, block, repo);
    assertEquals("", summary.getReceipt().getError());
    assertNotEquals(nrg, summary.getNrgUsed().longValue());
    txCost = BigInteger.valueOf(summary.getNrgUsed().longValue()).multiply(BigInteger.valueOf(nrgPrice));
    assertEquals(deployerBalance.subtract(txCost), repo.getBalance(deployer));
    assertEquals(value, repo.getBalance(recipient));
}

Example 24 with DataWord

use of org.aion.util.types.DataWord in project aion by aionnetwork.

the class ContractIntegTest method testSendContractFundsToNonexistentAddress.

@Test
public void testSendContractFundsToNonexistentAddress() throws Exception {
    String contractName = "MultiFeatureContract";
    byte[] deployCode = getDeployCode(contractName);
    long nrg = 1_000_000;
    long nrgPrice = energyPrice;
    BigInteger value = BigInteger.TWO.pow(13);
    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;
    }
    BigInteger deployerBalance = repo.getBalance(deployer);
    // Create a new account to be our fund recipient.
    AionAddress recipient = new AionAddress(RandomUtils.nextBytes(AionAddress.LENGTH));
    // Contract has 2^13 coins, let's withdraw them.
    byte[] input = ByteUtil.merge(Hex.decode("8c50612c"), recipient.toByteArray());
    input = ByteUtil.merge(input, new DataWord(value).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());
    BigInteger txCost = BigInteger.valueOf(summary.getNrgUsed().longValue()).multiply(BigInteger.valueOf(nrgPrice));
    assertEquals(deployerBalance.subtract(txCost), repo.getBalance(deployer));
    // Check that the recipient received the value.
    assertEquals(value, repo.getBalance(recipient));
}

Example 25 with DataWord

use of org.aion.util.types.DataWord in project aion by aionnetwork.

the class Benchmark method createDummyBlock.

private static MiningBlock createDummyBlock() {
    byte[] parentHash = new byte[32];
    byte[] coinbase = RandomUtils.nextBytes(AionAddress.LENGTH);
    byte[] logsBloom = new byte[0];
    byte[] difficulty = new DataWord(0x1000000L).getData();
    long number = 1;
    long timestamp = System.currentTimeMillis() / 1000;
    byte[] extraData = new byte[0];
    byte[] nonce = new byte[32];
    byte[] receiptsRoot = new byte[32];
    byte[] transactionsRoot = new byte[32];
    byte[] stateRoot = new byte[32];
    List<AionTransaction> transactionsList = Collections.emptyList();
    byte[] solutions = new byte[0];
    // TODO: set a dummy limit of 5000000 for now
    return new MiningBlock(parentHash, new AionAddress(coinbase), logsBloom, difficulty, number, timestamp, extraData, nonce, receiptsRoot, transactionsRoot, stateRoot, transactionsList, solutions, 0, 5000000);
}