Examples with BlockChainLoader org.ethereum.core.genesis.BlockChainLoader used on opensource projects

Example 1 with BlockChainLoader

use of org.ethereum.core.genesis.BlockChainLoader in project rskj by rsksmart.

the class BlockChainBuilder method build.

public BlockChainImpl build() {
    BlocksIndex blocksIndex = new HashMapBlocksIndex();
    if (config == null) {
        config = new TestSystemProperties();
    }
    if (trieStore == null) {
        trieStore = new TrieStoreImpl(new HashMapDB().setClearOnClose(false));
    }
    if (repository == null) {
        repository = new MutableRepository(trieStore, new Trie(trieStore));
    }
    if (stateRootHandler == null) {
        stateRootHandler = new StateRootHandler(config.getActivationConfig(), new StateRootsStoreImpl(new HashMapDB()));
    }
    if (genesis == null) {
        genesis = new BlockGenerator().getGenesisBlock();
    }
    GenesisLoaderImpl.loadGenesisInitalState(repository, genesis);
    repository.commit();
    genesis.setStateRoot(repository.getRoot());
    genesis.flushRLP();
    BlockFactory blockFactory = new BlockFactory(config.getActivationConfig());
    if (blockStore == null) {
        blockStore = new IndexedBlockStore(blockFactory, new HashMapDB(), blocksIndex);
    }
    if (receiptStore == null) {
        KeyValueDataSource ds = new HashMapDB();
        ds.init();
        receiptStore = new ReceiptStoreImpl(ds);
    }
    if (listener == null) {
        listener = new BlockExecutorTest.SimpleEthereumListener();
    }
    if (bridgeSupportFactory == null) {
        bridgeSupportFactory = new BridgeSupportFactory(new RepositoryBtcBlockStoreWithCache.Factory(config.getNetworkConstants().getBridgeConstants().getBtcParams()), config.getNetworkConstants().getBridgeConstants(), config.getActivationConfig());
    }
    BlockValidatorBuilder validatorBuilder = new BlockValidatorBuilder();
    validatorBuilder.addBlockRootValidationRule().addBlockUnclesValidationRule(blockStore).addBlockTxsValidationRule(trieStore).blockStore(blockStore);
    BlockValidator blockValidator = validatorBuilder.build();
    ReceivedTxSignatureCache receivedTxSignatureCache = new ReceivedTxSignatureCache();
    BlockTxSignatureCache blockTxSignatureCache = new BlockTxSignatureCache(receivedTxSignatureCache);
    TransactionExecutorFactory transactionExecutorFactory = new TransactionExecutorFactory(config, blockStore, receiptStore, blockFactory, new ProgramInvokeFactoryImpl(), new PrecompiledContracts(config, bridgeSupportFactory), blockTxSignatureCache);
    repositoryLocator = new RepositoryLocator(trieStore, stateRootHandler);
    transactionPool = new TransactionPoolImpl(config, repositoryLocator, this.blockStore, blockFactory, new TestCompositeEthereumListener(), transactionExecutorFactory, new ReceivedTxSignatureCache(), 10, 100);
    BlockExecutor blockExecutor = new BlockExecutor(config.getActivationConfig(), repositoryLocator, transactionExecutorFactory);
    BlockChainImpl blockChain = new BlockChainLoader(blockStore, receiptStore, transactionPool, listener, blockValidator, blockExecutor, genesis, stateRootHandler, repositoryLocator).loadBlockchain();
    if (this.testing) {
        blockChain.setBlockValidator(new DummyBlockValidator());
        blockChain.setNoValidation(true);
    }
    blockStore.saveBlock(genesis, genesis.getCumulativeDifficulty(), true);
    if (this.blocks != null) {
        for (Block b : this.blocks) {
            blockExecutor.executeAndFillAll(b, blockChain.getBestBlock().getHeader());
            blockChain.tryToConnect(b);
        }
    }
    return blockChain;
}