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

Example 21 with BlockContext

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

the class AionImpl method getNewMiningBlockTemplate.

// Returns a new template if a better parent block to mine on is found, or if the system time
// is ahead of the oldBlockTemplate
// Returns null if we're waiting on a Staking block, or if creating a new block template failed for some reason
@Override
public BlockContext getNewMiningBlockTemplate(BlockContext oldBlockTemplate, long systemTime) {
    lock.lock();
    try {
        Block bestBlock = getBlockchain().getBestBlock();
        if (getBlockchain().isUnityForkEnabledAtNextBlock() && bestBlock.getHeader().getSealType().equals(Seal.PROOF_OF_WORK)) {
            return null;
        } else {
            BlockContext context;
            byte[] bestBlockHash = bestBlock.getHash();
            if (oldBlockTemplate == null || !Arrays.equals(bestBlockHash, oldBlockTemplate.block.getParentHash()) || (systemTime > oldBlockTemplate.block.getTimestamp() && getBlockchain().isUnityForkEnabledAtNextBlock())) {
                TransactionSortedSet txSortSet = new TransactionSortedSet();
                txSortSet.addAll(getAionHub().getPendingState().getPendingTransactions());
                context = getBlockchain().createNewMiningBlockContext(bestBlock, new ArrayList<>(txSortSet), false);
            } else {
                context = oldBlockTemplate;
            }
            return context;
        }
    } finally {
        lock.unlock();
    }
}

Example 22 with BlockContext

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

the class FvmExploitsTest method testAddInvalidAndThenValidBlocks.

@Test
public void testAddInvalidAndThenValidBlocks() throws InterruptedException {
    String testerByteCode = "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";
    StandaloneBlockchain.Bundle bundle = (new StandaloneBlockchain.Builder()).withValidatorConfiguration("simple").withDefaultAccounts().build();
    StandaloneBlockchain bc = bundle.bc;
    ECKey deployerAccount = bundle.privateKeys.get(0);
    // =======================================================================
    BigInteger nonce = BigInteger.ZERO;
    AionTransaction tx = AionTransaction.create(deployerAccount, nonce.toByteArray(), null, new byte[0], ByteUtil.hexStringToBytes(testerByteCode), 1_000_000L, energyPrice, TransactionTypes.DEFAULT, null);
    assertThat(tx.isContractCreationTransaction()).isTrue();
    BlockContext context = bc.createNewMiningBlockContext(bc.getBestBlock(), Collections.singletonList(tx), false);
    ImportResult result = bc.tryToConnect(context.block);
    assertThat(result).isEqualTo(ImportResult.IMPORTED_BEST);
    AionAddress contractAddress = TxUtil.calculateContractAddress(tx);
    Thread.sleep(1000L);
    // =======================================================================
    nonce = nonce.add(BigInteger.ONE);
    AionTransaction tx2 = AionTransaction.create(deployerAccount, nonce.toByteArray(), contractAddress, new BigInteger("100000000000000000000").toByteArray(), new byte[0], 1_000_000L, energyPrice, TransactionTypes.DEFAULT, null);
    BlockContext context2 = bc.createNewMiningBlockContext(bc.getBestBlock(), Collections.singletonList(tx2), false);
    MiningBlock block = context2.block;
    byte[] originalReceiptsHash = block.getReceiptsRoot();
    // try importing an invalid block
    MiningBlockHeader newHeader = MiningBlockHeader.Builder.newInstance().withHeader(block.getHeader()).withReceiptTrieRoot(new byte[32]).build();
    block.updateHeader(newHeader);
    ImportResult result2 = bc.tryToConnect(context2.block);
    assertThat(result2).isEqualTo(ImportResult.INVALID_BLOCK);
    // try importing the correct block
    newHeader = MiningBlockHeader.Builder.newInstance().withHeader(block.getHeader()).withReceiptTrieRoot(originalReceiptsHash).build();
    block.updateHeader(newHeader);
    ImportResult result3 = bc.tryToConnect(context2.block);
    assertThat(result3).isEqualTo(ImportResult.IMPORTED_BEST);
}

Example 23 with BlockContext

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

the class InternalTransactionTest method testNestedCreate.

/*
    pragma solidity ^0.4.0;

    contract B {}

    contract A {
        address b;

        function A() {
            b = new B();
        }
    }
         */
@Test
public void testNestedCreate() throws Exception {
    String contractA = "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";
    StandaloneBlockchain.Bundle bundle = (new StandaloneBlockchain.Builder()).withValidatorConfiguration("simple").withDefaultAccounts().build();
    StandaloneBlockchain bc = bundle.bc;
    ECKey deployerAccount = bundle.privateKeys.get(0);
    // ======================
    // DEPLOY
    // ======================
    BigInteger nonce = BigInteger.ZERO;
    AionTransaction tx1 = AionTransaction.create(deployerAccount, nonce.toByteArray(), null, new byte[0], ByteUtil.hexStringToBytes(contractA), 1_000_000L, minEnergyPrice, TransactionTypes.DEFAULT, null);
    BlockContext context = bc.createNewMiningBlockContext(bc.getBestBlock(), List.of(tx1), false);
    AionTxExecSummary summary = executeTransaction(bc, context, tx1);
    System.out.println(summary.getReceipt());
    for (InternalTransaction tx : summary.getInternalTransactions()) {
        System.out.println(tx);
    }
}

Example 24 with BlockContext

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

the class InternalTransactionTest method testRecursiveCall.

/*
    pragma solidity ^0.4.0;

    contract A {
        function f(int n) {
            if (n > 0) {
                this.f(n - 1);
            }
        }
    }
         */
@Test
public void testRecursiveCall() throws Exception {
    String contractA = "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";
    StandaloneBlockchain.Bundle bundle = (new StandaloneBlockchain.Builder()).withValidatorConfiguration("simple").withDefaultAccounts().build();
    StandaloneBlockchain bc = bundle.bc;
    ECKey deployerAccount = bundle.privateKeys.get(0);
    // ======================
    // DEPLOY
    // ======================
    BigInteger nonce = BigInteger.ZERO;
    AionTransaction tx1 = AionTransaction.create(deployerAccount, nonce.toByteArray(), null, new byte[0], ByteUtil.hexStringToBytes(contractA), 1_000_000L, minEnergyPrice, TransactionTypes.DEFAULT, null);
    BlockContext context = bc.createNewMiningBlockContext(bc.getBestBlock(), List.of(tx1), false);
    ImportResult result = bc.tryToConnect(context.block);
    assertThat(result).isEqualTo(ImportResult.IMPORTED_BEST);
    AionAddress addressA = TxUtil.calculateContractAddress(tx1);
    System.out.println("contract A = " + addressA);
    Thread.sleep(1000);
    // ======================
    // CALL
    // ======================
    nonce = nonce.add(BigInteger.ONE);
    AionTransaction tx2 = AionTransaction.create(deployerAccount, nonce.toByteArray(), addressA, new byte[0], ByteUtil.merge(ByteUtil.hexStringToBytes("0xec779964"), new DataWord(2).getData()), 1_000_000L, minEnergyPrice, TransactionTypes.DEFAULT, null);
    context = bc.createNewMiningBlockContext(bc.getBestBlock(), List.of(tx2), false);
    AionTxExecSummary summary = executeTransaction(bc, context, tx2);
    assertEquals(2, summary.getInternalTransactions().size());
}

Example 25 with BlockContext

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

the class OpcodeIntegTest method testSuicideRecipientExists.

// ======================================= test SUICIDE ========================================
@Test
public void testSuicideRecipientExists() throws Exception {
    RepositoryCache repo = blockchain.getRepository().startTracking();
    BigInteger balance = new BigInteger("32522224");
    AionAddress recipient = new AionAddress(RandomUtils.nextBytes(AionAddress.LENGTH));
    repo.createAccount(recipient);
    AionAddress contract = deployContract(repo, "Suicide", "Suicide.sol", BigInteger.ZERO);
    repo.addBalance(contract, balance);
    BigInteger balanceDeployer = repo.getBalance(deployer);
    BigInteger balanceRecipient = repo.getBalance(recipient);
    assertEquals(balance, repo.getBalance(contract));
    long nrg = 1_000_000;
    long nrgPrice = 1;
    BigInteger nonce = BigInteger.ONE;
    byte[] input = ByteUtil.merge(Hex.decode("fc68521a"), recipient.toByteArray());
    AionTransaction tx = AionTransaction.create(deployerKey, nonce.toByteArray(), contract, BigInteger.ZERO.toByteArray(), input, nrg, nrgPrice, TransactionTypes.DEFAULT, null);
    BlockContext context = blockchain.createNewMiningBlockContext(blockchain.getBestBlock(), Collections.singletonList(tx), false);
    AionTxExecSummary summary = executeTransaction(tx, context.block, repo);
    assertEquals("", summary.getReceipt().getError());
    assertEquals(summary.getNrgUsed().longValue(), summary.getNrgUsed().longValue());
    // We expect that deployer paid the tx cost. We expect that all of the balance in the
    // contract has been transferred to recipient. We expect that the contract has been deleted.
    BigInteger txCost = BigInteger.valueOf(summary.getNrgUsed().longValue() * nrgPrice);
    assertEquals(balanceDeployer.subtract(txCost), repo.getBalance(deployer));
    assertEquals(balanceRecipient.add(balance), repo.getBalance(recipient));
    assertEquals(BigInteger.ZERO, repo.getBalance(contract));
    assertFalse(repo.hasAccountState(contract));
    assertEquals(1, summary.getDeletedAccounts().size());
    assertEquals(contract, summary.getDeletedAccounts().get(0));
}