Examples with RepositorySnapshot co.rsk.db.RepositorySnapshot used on opensource projects

Example 6 with RepositorySnapshot

use of co.rsk.db.RepositorySnapshot in project rskj by rsksmart.

the class RemascProcessMinerFeesTest method processMinersFeesFromTxThatIsNotTheLatestTx.

@Test
public void processMinersFeesFromTxThatIsNotTheLatestTx() {
    Blockchain blockchain = blockchainBuilder.build();
    BlockStore blockStore = blockchainBuilder.getBlockStore();
    RepositoryLocator repositoryLocator = blockchainBuilder.getRepositoryLocator();
    List<Block> blocks = createSimpleBlocks(genesisBlock, 4);
    Block blockWithOneTx = RemascTestRunner.createBlock(this.genesisBlock, blocks.get(blocks.size() - 1), PegTestUtils.createHash3(), coinbaseA, Collections.emptyList(), minerFee, 0, txValue, cowKey);
    blocks.add(blockWithOneTx);
    blocks.addAll(createSimpleBlocks(blockWithOneTx, 9));
    BlockExecutor blockExecutor = buildBlockExecutor(repositoryLocator, blockStore);
    executeBlocks(blockchain, blocks, blockExecutor);
    RepositorySnapshot repository = repositoryLocator.snapshotAt(blockchain.getBestBlock().getHeader());
    assertEquals(cowInitialBalance.subtract(Coin.valueOf(minerFee + txValue)), repository.getAccountState(new RskAddress(cowAddress)).getBalance());
    assertEquals(Coin.valueOf(minerFee), repository.getAccountState(PrecompiledContracts.REMASC_ADDR).getBalance());
    assertNull(repository.getAccountState(coinbaseA));
    assertNull(repository.getAccountState(remascConfig.getRskLabsAddress()));
    RemascStorageProvider remasceStorageProvider = getRemascStorageProvider(repository);
    assertEquals(Coin.ZERO, remasceStorageProvider.getRewardBalance());
    assertEquals(Coin.ZERO, remasceStorageProvider.getBurnedBalance());
    // A hacker trying to screw the system creates a tx to remasc and a fool/accomplice miner includes that tx in a block
    Transaction tx = Transaction.builder().nonce(Coin.valueOf(1)).gasPrice(Coin.valueOf(1)).gasLimit(Coin.valueOf(minerFee)).destination(PrecompiledContracts.REMASC_ADDR).chainId(config.getNetworkConstants().getChainId()).value(Coin.valueOf(txValue * 2)).build();
    tx.sign(cowKey.getPrivKeyBytes());
    Block newblock = RemascTestRunner.createBlock(this.genesisBlock, blocks.get(blocks.size() - 1), PegTestUtils.createHash3(), TestUtils.randomAddress(), Collections.emptyList(), null, tx);
    blockExecutor.executeAndFillAll(newblock, blockchain.getBestBlock().getHeader());
    blockchain.tryToConnect(newblock);
    repository = repositoryLocator.snapshotAt(blockchain.getBestBlock().getHeader());
    // Check "hack" tx makes no changes to the remasc state, sender pays fees, and value is added to remasc account balance
    assertEquals(cowInitialBalance.subtract(Coin.valueOf(minerFee + txValue + minerFee)), repository.getAccountState(new RskAddress(cowAddress)).getBalance());
    long blockReward = minerFee / remascConfig.getSyntheticSpan();
    long originalBlockReward = blockReward;
    assertEquals(Coin.valueOf(minerFee + minerFee - blockReward), repository.getAccountState(PrecompiledContracts.REMASC_ADDR).getBalance());
    long rskReward = blockReward / remascConfig.getRskLabsDivisor();
    assertEquals(Coin.valueOf(rskReward), repository.getAccountState(remascConfig.getRskLabsAddress()).getBalance());
    blockReward -= rskReward;
    long federationReward = blockReward / remascConfig.getFederationDivisor();
    assertEquals(33, federationReward);
    blockReward -= federationReward;
    assertEquals(Coin.valueOf(blockReward), repository.getAccountState(coinbaseA).getBalance());
    Coin expectedRewardBalance = Coin.valueOf(minerFee - originalBlockReward);
    this.validateRemascsStorageIsCorrect(getRemascStorageProvider(repository), expectedRewardBalance, Coin.ZERO, 0L);
    this.validateFederatorsBalanceIsCorrect(repository, federationReward, newblock);
}

Example 7 with RepositorySnapshot

use of co.rsk.db.RepositorySnapshot in project rskj by rsksmart.

the class RemascProcessMinerFeesTest method processMinersFeesWithoutMinimumSyntheticSpan.

@Test
public void processMinersFeesWithoutMinimumSyntheticSpan() {
    Blockchain blockchain = blockchainBuilder.build();
    BlockStore blockStore = blockchainBuilder.getBlockStore();
    RepositoryLocator repositoryLocator = blockchainBuilder.getRepositoryLocator();
    List<Block> blocks = createSimpleBlocks(genesisBlock, 2);
    Block blockWithOneTx = RemascTestRunner.createBlock(this.genesisBlock, blocks.get(blocks.size() - 1), PegTestUtils.createHash3(), coinbaseA, Collections.emptyList(), minerFee, 0, txValue, cowKey);
    blocks.add(blockWithOneTx);
    blocks.addAll(createSimpleBlocks(blockWithOneTx, 9));
    BlockExecutor blockExecutor = buildBlockExecutor(repositoryLocator, blockStore);
    executeBlocks(blockchain, blocks, blockExecutor);
    RepositorySnapshot repository = repositoryLocator.snapshotAt(blockchain.getBestBlock().getHeader());
    assertEquals(cowInitialBalance.subtract(Coin.valueOf(minerFee + txValue)), repository.getAccountState(new RskAddress(cowAddress)).getBalance());
    assertEquals(Coin.valueOf(minerFee), repository.getAccountState(PrecompiledContracts.REMASC_ADDR).getBalance());
    assertNull(repository.getAccountState(coinbaseA));
    assertNull(repository.getAccountState(remascConfig.getRskLabsAddress()));
    Block newblock = RemascTestRunner.createBlock(this.genesisBlock, blocks.get(blocks.size() - 1), PegTestUtils.createHash3(), TestUtils.randomAddress(), Collections.emptyList(), null);
    blockExecutor.executeAndFillAll(newblock, blockchain.getBestBlock().getHeader());
    blockchain.tryToConnect(newblock);
    repository = repositoryLocator.snapshotAt(blockchain.getBestBlock().getHeader());
    assertEquals(cowInitialBalance.subtract(Coin.valueOf(minerFee + txValue)), repository.getAccountState(new RskAddress(cowAddress)).getBalance());
    assertEquals(Coin.valueOf(minerFee), repository.getAccountState(PrecompiledContracts.REMASC_ADDR).getBalance());
    assertNull(repository.getAccountState(coinbaseA));
    assertNull(repository.getAccountState(remascConfig.getRskLabsAddress()));
    RemascStorageProvider remascStorageProvider = getRemascStorageProvider(repository);
    assertEquals(Coin.valueOf(minerFee), remascStorageProvider.getRewardBalance());
    assertEquals(Coin.ZERO, remascStorageProvider.getBurnedBalance());
}

Example 8 with RepositorySnapshot

use of co.rsk.db.RepositorySnapshot in project rskj by rsksmart.

the class AccountBuilder method build.

public Account build() {
    byte[] privateKeyBytes = HashUtil.keccak256(name.getBytes());
    ECKey key = ECKey.fromPrivate(privateKeyBytes);
    Account account = new Account(key);
    if (blockChain != null) {
        Block best = blockChain.getStatus().getBestBlock();
        BlockDifficulty td = blockChain.getStatus().getTotalDifficulty();
        RepositorySnapshot repository = repositoryLocator.snapshotAt(blockChain.getBestBlock().getHeader());
        Repository track = repository.startTracking();
        track.createAccount(account.getAddress());
        if (this.balance != null)
            track.addBalance(account.getAddress(), this.balance);
        if (this.code != null) {
            track.saveCode(account.getAddress(), this.code);
            track.getCode(account.getAddress());
        }
        track.commit();
        track.save();
        // Check that code is there...
        repository.getCode(account.getAddress());
        best.setStateRoot(repository.getRoot());
        best.flushRLP();
        blockStore.saveBlock(best, td, true);
    }
    return account;
}

Example 9 with RepositorySnapshot

use of co.rsk.db.RepositorySnapshot in project rskj by rsksmart.

the class WorldDslProcessorTest method processAccountNewCommandWithBalanceAndCode.

@Test
public void processAccountNewCommandWithBalanceAndCode() throws DslProcessorException {
    World world = new World();
    WorldDslProcessor processor = new WorldDslProcessor(world);
    DslParser parser = new DslParser("account_new acc1 1000000 01020304");
    processor.processCommands(parser);
    Account account = world.getAccountByName("acc1");
    Assert.assertNotNull(account);
    RepositorySnapshot repository = world.getRepositoryLocator().snapshotAt(world.getBlockChain().getBestBlock().getHeader());
    Assert.assertEquals(new BigInteger("1000000"), repository.getBalance(account.getAddress()).asBigInteger());
    byte[] code = repository.getCode(account.getAddress());
    Assert.assertNotNull(code);
    Assert.assertArrayEquals(new byte[] { 0x01, 0x02, 0x03, 0x04 }, code);
}

Example 10 with RepositorySnapshot

use of co.rsk.db.RepositorySnapshot in project rskj by rsksmart.

the class AccountBuilderTest method createAccountWithBalanceAndCode.

@Test
public void createAccountWithBalanceAndCode() {
    World world = new World();
    byte[] code = new byte[] { 0x01, 0x02, 0x03 };
    Coin balance = Coin.valueOf(10);
    Account account = new AccountBuilder(world).name("acc1").balance(balance).code(code).build();
    Assert.assertNotNull(account);
    Assert.assertTrue(account.getEcKey().hasPrivKey());
    RepositorySnapshot repository = world.getRepositoryLocator().snapshotAt(world.getBlockChain().getBestBlock().getHeader());
    Assert.assertEquals(balance, repository.getBalance(account.getAddress()));
    Assert.assertArrayEquals(code, repository.getCode(account.getAddress()));
}