Examples with BlockCommittedException com.jd.blockchain.consensus.raft.consensus.BlockCommittedException used on opensource projects

Example 1 with BlockCommittedException

use of com.jd.blockchain.consensus.raft.consensus.BlockCommittedException in project jdchain-core by blockchain-jd-com.

the class BlockCommitService method commitBlock.

public boolean commitBlock(Block block, BlockClosure done) throws BlockCommittedException {
    boolean result = true;
    long latestBlockHeight = ledgerRepository.retrieveLatestBlockHeight();
    if (latestBlockHeight >= block.getHeight()) {
        throw new BlockCommittedException(block.getHeight());
    }
    if (latestBlockHeight + 1 != block.getHeight()) {
        notifyCatchUp(block.getHeight());
        LOGGER.error("commit block ignore. expect height:{}, latest block: {}", block.getHeight(), latestBlockHeight);
        return false;
    }
    RaftConsensusMessageContext context = RaftConsensusMessageContext.createContext(realmName);
    context.setTimestamp(block.getProposalTimestamp());
    String batch = messageHandle.beginBatch(context);
    context.setBatchId(batch);
    LoggerUtils.debugIfEnabled(LOGGER, "commit block start, batchId: {}", batch);
    Status status = Status.OK();
    try {
        int msgId = 0;
        for (byte[] tx : block.getTxs()) {
            AsyncFuture<byte[]> asyncFuture = messageHandle.processOrdered(msgId++, tx, context);
            Optional.ofNullable(done).ifPresent(d -> d.addFuture(asyncFuture));
        }
        messageHandle.completeBatch(context);
        // todo ?
        messageHandle.commitBatch(context);
        LedgerBlock repositoryLatestBlock = ledgerRepository.getLatestBlock();
        assert repositoryLatestBlock.getHeight() == block.getHeight();
        block.setPreBlockHash(repositoryLatestBlock.getPreviousHash());
        block.setCurrentBlockHash(repositoryLatestBlock.getHash());
        blockCommitCallbackList.forEach(c -> c.commitCallBack(block, true));
    } catch (Exception e) {
        LOGGER.error("commitBlock error", e);
        result = false;
        messageHandle.rollbackBatch(TransactionState.CONSENSUS_ERROR.CODE, context);
        status = new Status(TransactionState.CONSENSUS_ERROR.CODE, e.getMessage());
        blockCommitCallbackList.forEach(c -> c.commitCallBack(block, false));
    }
    LoggerUtils.debugIfEnabled(LOGGER, "commit block end, batchId: {}, blockHeight: {}, status: {}", batch, block.getHeight(), status);
    if (done != null) {
        done.run(status);
    }
    return result;
}