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

Example 16 with RepositorySnapshot

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

the class BlockChainImplTest method getBlockWithOneTransaction.

private Block getBlockWithOneTransaction() {
    Block bestBlock = blockChain.getBestBlock();
    RepositorySnapshot repository = objects.getRepositoryLocator().snapshotAt(bestBlock.getHeader());
    String toAddress = ByteUtil.toHexString(catKey.getAddress());
    BigInteger nonce = repository.getNonce(new RskAddress(cowKey.getAddress()));
    Transaction tx = Transaction.builder().nonce(nonce).gasPrice(BigInteger.ONE).gasLimit(BigInteger.valueOf(21000)).destination(Hex.decode(toAddress)).chainId(config.getNetworkConstants().getChainId()).value(BigInteger.TEN).build();
    tx.sign(cowKey.getPrivKeyBytes());
    List<Transaction> txs = java.util.Arrays.asList(tx, new RemascTransaction(bestBlock.getNumber() + 1));
    List<BlockHeader> uncles = new ArrayList<>();
    Block block = new BlockGenerator().createChildBlock(bestBlock, txs, uncles, 1, bestBlock.getMinimumGasPrice().asBigInteger());
    blockExecutor.executeAndFill(block, bestBlock.getHeader());
    return block;
}

Example 17 with RepositorySnapshot

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

the class ContractRunner method createAndRunContract.

public ProgramResult createAndRunContract(byte[] bytecode, byte[] encodedCall, BigInteger value, boolean localCall) {
    RepositorySnapshot repository = repositoryLocator.snapshotAt(blockchain.getBestBlock().getHeader());
    createContract(bytecode, repository);
    Transaction creationTx = contractCreateTx(bytecode, repository);
    executeTransaction(creationTx, repository);
    return runContract(creationTx.getContractAddress().getBytes(), encodedCall, value, localCall, repository);
}

Example 18 with RepositorySnapshot

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

the class TransactionModuleTest method testGasEstimation.

@Test
public void testGasEstimation() {
    World world = new World();
    Blockchain blockchain = world.getBlockChain();
    TrieStore trieStore = world.getTrieStore();
    RepositoryLocator repositoryLocator = world.getRepositoryLocator();
    RepositorySnapshot repository = repositoryLocator.snapshotAt(blockchain.getBestBlock().getHeader());
    BlockStore blockStore = world.getBlockStore();
    BlockTxSignatureCache blockTxSignatureCache = world.getBlockTxSignatureCache();
    ReceivedTxSignatureCache receivedTxSignatureCache = world.getReceivedTxSignatureCache();
    TransactionExecutorFactory transactionExecutorFactory = buildTransactionExecutionFactoryWithProgramInvokeFactory(blockStore, null, blockTxSignatureCache);
    TransactionPool transactionPool = new TransactionPoolImpl(config, repositoryLocator, blockStore, blockFactory, null, transactionExecutorFactory, receivedTxSignatureCache, 10, 100);
    TransactionGateway transactionGateway = new TransactionGateway(new SimpleChannelManager(), transactionPool);
    Web3Impl web3 = createEnvironmentGasExactimation(blockchain, trieStore, transactionPool, blockStore, transactionGateway, transactionExecutorFactory);
    RskAddress srcAddr = new RskAddress(ECKey.fromPrivate(Keccak256Helper.keccak256("cow".getBytes())).getAddress());
    // Create the transaction that creates the destination contract
    sendContractCreationTransaction(srcAddr, web3, repository);
    // Compute contract destination address
    BigInteger nonce = repository.getAccountState(srcAddr).getNonce();
    RskAddress contractAddress = new RskAddress(HashUtil.calcNewAddr(srcAddr.getBytes(), nonce.toByteArray()));
    // start with 5M
    int gasLimit = 5000000;
    int consumed = checkEstimateGas(callCallWithValue, 33472, gasLimit, srcAddr, contractAddress, web3, repository);
    // Now that I know the estimation, call again using the estimated value
    // it should not fail. We set the gasLimit to the expected value plus 1 to
    // differentiate between OOG and success.
    int consumed2 = checkEstimateGas(callCallWithValue, 33472, consumed + 1, srcAddr, contractAddress, web3, repository);
    Assert.assertEquals(consumed, consumed2);
    consumed = checkEstimateGas(callUnfill, 46942, gasLimit, srcAddr, contractAddress, web3, repository);
    consumed2 = checkEstimateGas(callUnfill, 46942, consumed + 1, srcAddr, contractAddress, web3, repository);
    Assert.assertEquals(consumed, consumed2);
}

Example 19 with RepositorySnapshot

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

the class TransactionModuleTest method sendTransactionMustNotBeMined.

@Test
public void sendTransactionMustNotBeMined() {
    World world = new World();
    BlockChainImpl blockchain = world.getBlockChain();
    TrieStore trieStore = world.getTrieStore();
    RepositoryLocator repositoryLocator = world.getRepositoryLocator();
    RepositorySnapshot repository = repositoryLocator.snapshotAt(blockchain.getBestBlock().getHeader());
    BlockStore blockStore = world.getBlockStore();
    TransactionPool transactionPool = new TransactionPoolImpl(config, repositoryLocator, blockStore, blockFactory, null, buildTransactionExecutorFactory(blockStore, null, world.getBlockTxSignatureCache()), world.getReceivedTxSignatureCache(), 10, 100);
    TransactionGateway transactionGateway = new TransactionGateway(new SimpleChannelManager(), transactionPool);
    Web3Impl web3 = createEnvironment(blockchain, null, trieStore, transactionPool, blockStore, false, world.getBlockTxSignatureCache(), transactionGateway);
    String tx = sendTransaction(web3, repository);
    Assert.assertEquals(0, blockchain.getBestBlock().getNumber());
    Transaction txInBlock = getTransactionFromBlockWhichWasSend(blockchain, tx);
    // Transaction tx must not be in block
    Assert.assertNull(txInBlock);
}

Example 20 with RepositorySnapshot

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

the class TransactionPoolImpl method internalAddTransaction.

private TransactionPoolAddResult internalAddTransaction(final Transaction tx) {
    if (pendingTransactions.hasTransaction(tx)) {
        return TransactionPoolAddResult.withError("pending transaction with same hash already exists");
    }
    if (queuedTransactions.hasTransaction(tx)) {
        return TransactionPoolAddResult.withError("queued transaction with same hash already exists");
    }
    RepositorySnapshot currentRepository = getCurrentRepository();
    TransactionValidationResult validationResult = shouldAcceptTx(tx, currentRepository);
    if (!validationResult.transactionIsValid()) {
        return TransactionPoolAddResult.withError(validationResult.getErrorMessage());
    }
    Keccak256 hash = tx.getHash();
    logger.trace("add transaction {} {}", toBI(tx.getNonce()), tx.getHash());
    Long bnumber = Long.valueOf(getCurrentBestBlockNumber());
    if (!isBumpingGasPriceForSameNonceTx(tx)) {
        return TransactionPoolAddResult.withError("gas price not enough to bump transaction");
    }
    transactionBlocks.put(hash, bnumber);
    final long timestampSeconds = this.getCurrentTimeInSeconds();
    transactionTimes.put(hash, timestampSeconds);
    BigInteger currentNonce = getPendingState(currentRepository).getNonce(tx.getSender());
    BigInteger txNonce = tx.getNonceAsInteger();
    if (txNonce.compareTo(currentNonce) > 0) {
        this.addQueuedTransaction(tx);
        signatureCache.storeSender(tx);
        return TransactionPoolAddResult.okQueuedTransaction(tx);
    }
    if (!senderCanPayPendingTransactionsAndNewTx(tx, currentRepository)) {
        // discard this tx to prevent spam
        return TransactionPoolAddResult.withError("insufficient funds to pay for pending and new transaction");
    }
    pendingTransactions.addTransaction(tx);
    signatureCache.storeSender(tx);
    return TransactionPoolAddResult.okPendingTransaction(tx);
}