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

Example 76 with Block

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

the class BlockchainDataRecoveryTest method testRecoverWorldState_wDeletedBlock.

@Test
public void testRecoverWorldState_wDeletedBlock() {
    // build a blockchain with a few blocks
    StandaloneBlockchain.Builder builder = new StandaloneBlockchain.Builder();
    StandaloneBlockchain.Bundle bundle = builder.withValidatorConfiguration("simple").withDefaultAccounts(accounts).build();
    StandaloneBlockchain chain = bundle.bc;
    AionRepositoryImpl repo = chain.getRepository();
    BlockContext context;
    List<AionTransaction> txs;
    // all blocks will be incorrect
    long time = System.currentTimeMillis();
    List<byte[]> statesToDelete = new ArrayList<>();
    List<MiningBlock> blocksToImport = new ArrayList<>();
    for (int i = 0; i < NUMBER_OF_BLOCKS; i++) {
        txs = BlockchainTestUtils.generateTransactions(MAX_TX_PER_BLOCK, accounts, repo);
        context = chain.createNewMiningBlockInternal(chain.getBestBlock(), txs, true, time / 10000L);
        assertThat(chain.tryToConnect(context.block)).isEqualTo(ImportResult.IMPORTED_BEST);
        statesToDelete.add(context.block.getStateRoot());
        // skipping middle block
        if (context.block.getNumber() != NUMBER_OF_BLOCKS / 2) {
            blocksToImport.add(context.block);
        }
    }
    Block bestBlock = chain.getBestBlock();
    assertThat(bestBlock.getNumber()).isEqualTo(NUMBER_OF_BLOCKS);
    // delete middle block from db
    Block middle = chain.getBlockByNumber(NUMBER_OF_BLOCKS / 2);
    MockDB database = (MockDB) repo.getBlockDatabase();
    database.deleteAndCommit(middle.getHash());
    // delete some world state root entries from the database
    TrieImpl trie = (TrieImpl) repo.getWorldState();
    database = (MockDB) repo.getStateDatabase();
    // 1: direct recovery call
    repo.flush();
    for (byte[] key : statesToDelete) {
        database.deleteAndCommit(key);
        assertThat(trie.isValidRoot(key)).isFalse();
    }
    // ensure that the world state was corrupted
    assertThat(trie.isValidRoot(chain.getBestBlock().getStateRoot())).isFalse();
    // call the recovery functionality
    assertThat(chain.recoverWorldState(repo, bestBlock)).isFalse();
    // ensure that the blockchain is ok
    assertThat(chain.getBestBlockHash()).isEqualTo(bestBlock.getHash());
    // ensure that the world state could not be recovered
    assertThat(trie.isValidRoot(chain.getBestBlock().getStateRoot())).isFalse();
    // 2: recovery at import
    repo.flush();
    for (byte[] key : statesToDelete) {
        database.deleteAndCommit(key);
        assertThat(trie.isValidRoot(key)).isFalse();
    }
    // ensure that the world state was corrupted
    assertThat(trie.isValidRoot(chain.getBestBlock().getStateRoot())).isFalse();
    // call the recovery functionality indirectly
    for (MiningBlock block : blocksToImport) {
        // state missing before import
        assertThat(trie.isValidRoot(block.getStateRoot())).isFalse();
        assertThat(chain.tryToConnect(block)).isEqualTo(ImportResult.EXIST);
        if (block.getNumber() < middle.getNumber()) {
            // state present after import
            assertThat(trie.isValidRoot(block.getStateRoot())).isTrue();
        } else {
            // block after missing one cannot be recovered
            assertThat(trie.isValidRoot(block.getStateRoot())).isFalse();
        }
    }
    // ensure that the blockchain is ok
    assertThat(chain.getBestBlockHash()).isEqualTo(bestBlock.getHash());
    // ensure that the world state is ok
    assertThat(trie.isValidRoot(chain.getBestBlock().getStateRoot())).isFalse();
    // importing middle block
    assertThat(chain.tryToConnect(middle)).isEqualTo(ImportResult.IMPORTED_NOT_BEST);
    // call the recovery functionality indirectly
    for (MiningBlock block : blocksToImport) {
        // checking only failed blocks from before
        if (block.getNumber() > middle.getNumber()) {
            // state missing before import
            assertThat(trie.isValidRoot(block.getStateRoot())).isFalse();
            assertThat(chain.tryToConnect(block)).isEqualTo(ImportResult.EXIST);
            // state present after import
            assertThat(trie.isValidRoot(block.getStateRoot())).isTrue();
        }
    }
    // ensure that the blockchain is ok
    assertThat(chain.getBestBlockHash()).isEqualTo(bestBlock.getHash());
    // ensure that the world state is ok
    assertThat(trie.isValidRoot(chain.getBestBlock().getStateRoot())).isTrue();
}

Example 77 with Block

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

the class BlockchainDataRecoveryTest method testRecoverWorldStateWithoutGenesis.

/**
 * Test the recovery of the world state when missing the genesis block state.
 *
 * <p>Under these circumstances the recovery will fail.
 */
@Test
public void testRecoverWorldStateWithoutGenesis() {
    // build a blockchain with a few blocks
    StandaloneBlockchain.Builder builder = new StandaloneBlockchain.Builder();
    StandaloneBlockchain.Bundle bundle = builder.withValidatorConfiguration("simple").withDefaultAccounts(accounts).build();
    StandaloneBlockchain chain = bundle.bc;
    AionRepositoryImpl repo = chain.getRepository();
    BlockContext context;
    List<AionTransaction> txs;
    // all blocks will be incorrect
    long time = System.currentTimeMillis();
    List<MiningBlock> blocksToImport = new ArrayList<>();
    for (int i = 0; i < NUMBER_OF_BLOCKS; i++) {
        txs = BlockchainTestUtils.generateTransactions(MAX_TX_PER_BLOCK, accounts, repo);
        context = chain.createNewMiningBlockInternal(chain.getBestBlock(), txs, true, time / 10000L);
        assertThat(chain.tryToConnect(context.block)).isEqualTo(ImportResult.IMPORTED_BEST);
        blocksToImport.add(context.block);
    }
    Block bestBlock = chain.getBestBlock();
    assertThat(bestBlock.getNumber()).isEqualTo(NUMBER_OF_BLOCKS);
    // delete some world state root entries from the database
    TrieImpl trie = (TrieImpl) repo.getWorldState();
    MockDB database = (MockDB) repo.getStateDatabase();
    // 1: direct recovery call
    repo.flush();
    List<byte[]> statesToDelete = new ArrayList<>();
    Iterator<byte[]> iterator = database.keys();
    while (iterator.hasNext()) {
        statesToDelete.add(iterator.next());
    }
    for (byte[] key : statesToDelete) {
        database.deleteAndCommit(key);
        assertThat(trie.isValidRoot(key)).isFalse();
    }
    // ensure that the world state was corrupted
    assertThat(trie.isValidRoot(chain.getBestBlock().getStateRoot())).isFalse();
    // call the recovery functionality
    boolean worked = chain.recoverWorldState(repo, bestBlock);
    // ensure that the blockchain is ok
    assertThat(chain.getBestBlockHash()).isEqualTo(bestBlock.getHash());
    // ensure that the world state was not recovered
    assertThat(worked).isFalse();
    assertThat(trie.isValidRoot(chain.getBestBlock().getStateRoot())).isFalse();
    // 2: recovery at import
    repo.flush();
    for (byte[] key : statesToDelete) {
        database.deleteAndCommit(key);
        assertThat(trie.isValidRoot(key)).isFalse();
    }
    // ensure that the world state was corrupted
    assertThat(trie.isValidRoot(chain.getBestBlock().getStateRoot())).isFalse();
    // call the recovery functionality indirectly
    for (MiningBlock block : blocksToImport) {
        // state missing before import
        assertThat(trie.isValidRoot(block.getStateRoot())).isFalse();
        assertThat(chain.tryToConnect(block)).isEqualTo(ImportResult.EXIST);
        // state missing after import (because there is not genesis to recover from)
        assertThat(trie.isValidRoot(block.getStateRoot())).isFalse();
    }
    // ensure that the blockchain is ok
    assertThat(chain.getBestBlockHash()).isEqualTo(bestBlock.getHash());
    // ensure that the world state is ok
    assertThat(trie.isValidRoot(chain.getBestBlock().getStateRoot())).isFalse();
}

Example 78 with Block

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

the class ApiAion0Test method testProcessGetTxByBlockHashAndIndex.

@Test
@Ignore
public void testProcessGetTxByBlockHashAndIndex() throws Exception {
    AionImpl impl = AionImpl.instForTest();
    AionRepositoryImpl repo = AionRepositoryImpl.inst();
    Block parentBlk = impl.getBlockchain().getBestBlock();
    AionTransaction tx = AionTransaction.create(key, repo.getNonce(AddressUtils.ZERO_ADDRESS).toByteArray(), AddressUtils.ZERO_ADDRESS, BigInteger.ONE.toByteArray(), msg, 100000, 100000, TransactionTypes.DEFAULT, null);
    Block blk = impl.getAionHub().getBlockchain().createNewMiningBlock(parentBlk, Collections.singletonList(tx), false);
    impl.getAionHub().getBlockchain().tryToConnect(blk);
    Message.req_getTransactionByBlockHashAndIndex reqBody = Message.req_getTransactionByBlockHashAndIndex.newBuilder().setBlockHash(ByteString.copyFrom(blk.getHash())).setTxIndex(0).build();
    rsp = sendRequest(Message.Servs.s_chain_VALUE, Message.Funcs.f_getTransactionByBlockHashAndIndex_VALUE, reqBody.toByteArray());
    assertEquals(Message.Retcode.r_success_VALUE, rsp[1]);
    Message.rsp_getTransaction rslt = Message.rsp_getTransaction.parseFrom(stripHeader(rsp));
    assertEquals(blk.getNumber(), rslt.getBlocknumber());
    assertEquals(ByteString.copyFrom(tx.getData()), rslt.getData());
    assertEquals(tx.getEnergyPrice(), rslt.getNrgPrice());
    rsp = sendRequest(Message.Servs.s_hb_VALUE, Message.Funcs.f_getTransactionByBlockHashAndIndex_VALUE);
    assertEquals(Message.Retcode.r_fail_service_call_VALUE, rsp[1]);
}

Example 79 with Block

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

the class ApiAion0Test method testProcessGetTxByBlockNumberAndIndex.

@Test
@Ignore
public void testProcessGetTxByBlockNumberAndIndex() throws Exception {
    AionImpl impl = AionImpl.instForTest();
    AionRepositoryImpl repo = AionRepositoryImpl.inst();
    Block parentBlk = impl.getBlockchain().getBestBlock();
    AionTransaction tx = AionTransaction.create(key, repo.getNonce(AddressUtils.ZERO_ADDRESS).toByteArray(), AddressUtils.ZERO_ADDRESS, BigInteger.ONE.toByteArray(), msg, 100000, 100000, TransactionTypes.DEFAULT, null);
    Block blk = impl.getAionHub().getBlockchain().createNewMiningBlock(parentBlk, Collections.singletonList(tx), false);
    impl.getAionHub().getBlockchain().tryToConnect(blk);
    Message.req_getTransactionByBlockNumberAndIndex reqBody = Message.req_getTransactionByBlockNumberAndIndex.newBuilder().setBlockNumber(blk.getNumber()).setTxIndex(0).build();
    rsp = sendRequest(Message.Servs.s_chain_VALUE, Message.Funcs.f_getTransactionByBlockNumberAndIndex_VALUE, reqBody.toByteArray());
    assertEquals(Message.Retcode.r_success_VALUE, rsp[1]);
    Message.rsp_getTransaction rslt = Message.rsp_getTransaction.parseFrom(stripHeader(rsp));
    assertEquals(blk.getNumber(), rslt.getBlocknumber());
    assertEquals(ByteString.copyFrom(tx.getData()), rslt.getData());
    assertEquals(tx.getEnergyPrice(), rslt.getNrgPrice());
    rsp = sendRequest(Message.Servs.s_hb_VALUE, Message.Funcs.f_getTransactionByBlockNumberAndIndex_VALUE);
    assertEquals(Message.Retcode.r_fail_service_call_VALUE, rsp[1]);
}

Example 80 with Block

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

the class AionRepositoryImpl method printStateTrieDump.

public void printStateTrieDump(long blockNumber, Logger log) {
    Block block;
    if (blockNumber == -1L) {
        block = blockStore.getBestBlock();
        if (block == null) {
            log.error("The requested block does not exist in the database.");
            return;
        }
        blockNumber = block.getNumber();
    } else {
        block = blockStore.getChainBlockByNumber(blockNumber);
        if (block == null) {
            log.error("The requested block does not exist in the database.");
            return;
        }
    }
    byte[] stateRoot = block.getStateRoot();
    log.info("\nBlock hash: " + block.getShortHash() + ", number: " + blockNumber + ", tx count: " + block.getTransactionsList().size() + "\n\n" + getWorldState().getTrieDump(stateRoot));
}