Examples with UnReachBlockException org.tron.core.exception.UnReachBlockException used on opensource projects

Example 1 with UnReachBlockException

use of org.tron.core.exception.UnReachBlockException in project java-tron by tronprotocol.

the class NodeImpl method onHandleSyncBlockChainMessage.

private void onHandleSyncBlockChainMessage(PeerConnection peer, SyncBlockChainMessage syncMsg) {
    // logger.info("on handle sync block chain message");
    peer.setTronState(TronState.SYNCING);
    LinkedList<BlockId> blockIds;
    List<BlockId> summaryChainIds = syncMsg.getBlockIds();
    long remainNum = 0;
    try {
        blockIds = del.getLostBlockIds(summaryChainIds);
    } catch (UnReachBlockException e) {
        // TODO: disconnect this peer casue this peer can not switch
        logger.debug(e.getMessage(), e);
        return;
    }
    if (blockIds.isEmpty()) {
        peer.setNeedSyncFromUs(false);
    } else if (blockIds.size() == 1 && !summaryChainIds.isEmpty() && summaryChainIds.contains(blockIds.peekFirst())) {
        peer.setNeedSyncFromUs(false);
    } else {
        peer.setNeedSyncFromUs(true);
        remainNum = del.getHeadBlockId().getNum() - blockIds.peekLast().getNum();
    }
    if (!peer.isNeedSyncFromPeer() && !summaryChainIds.isEmpty() && !del.contain(Iterables.getLast(summaryChainIds), MessageTypes.BLOCK)) {
        startSyncWithPeer(peer);
    }
    peer.sendMessage(new ChainInventoryMessage(blockIds, remainNum));
}

Example 2 with UnReachBlockException

use of org.tron.core.exception.UnReachBlockException in project java-tron by tronprotocol.

the class NodeDelegateImpl method getLostBlockIds.

@Override
public LinkedList<BlockId> getLostBlockIds(List<BlockId> blockChainSummary) throws UnReachBlockException {
    // todo: return the blocks it should be have.
    if (dbManager.getHeadBlockNum() == 0) {
        return new LinkedList<>();
    }
    BlockId unForkedBlockId = null;
    if (blockChainSummary.isEmpty() || blockChainSummary.size() == 1) {
        unForkedBlockId = dbManager.getGenesisBlockId();
    } else {
        // todo: find a block we all know between the summary and my db.
        Collections.reverse(blockChainSummary);
        unForkedBlockId = blockChainSummary.stream().filter(blockId -> dbManager.containBlock(blockId)).findFirst().orElseThrow(UnReachBlockException::new);
    // todo: can not find any same block form peer's summary and my db.
    }
    // todo: limit the count of block to send peer by one time.
    long unForkedBlockIdNum = unForkedBlockId.getNum();
    long len = Longs.min(dbManager.getHeadBlockNum(), unForkedBlockIdNum + NodeConstant.SYNC_FETCH_BATCH_NUM);
    return LongStream.rangeClosed(unForkedBlockIdNum, len).filter(num -> num > 0).mapToObj(num -> dbManager.getBlockIdByNum(num)).collect(Collectors.toCollection(LinkedList::new));
}