Examples with TimeRecordAuto duckutil.TimeRecordAuto used on opensource projects

Example 26 with TimeRecordAuto

use of duckutil.TimeRecordAuto in project snowblossom by snowblossomcoin.

the class SnowUserService method submitTransaction.

@Override
public void submitTransaction(Transaction tx, StreamObserver<SubmitReply> responseObserver) {
    try (TimeRecordAuto tra = TimeRecord.openAuto("SnowUserService.submitTransaction")) {
        try {
            tx = Transaction.parseFrom(tx.toByteString());
            if (node.getMemPool().addTransaction(tx, false)) {
                node.getTxBroadcaster().send(tx);
            } else {
                logger.fine("Rejecting transaction: no mempool accepted");
                responseObserver.onNext(SubmitReply.newBuilder().setSuccess(false).setErrorMessage("no mempool accepted").build());
                responseObserver.onCompleted();
                return;
            }
        } catch (ValidationException e) {
            logger.info("Rejecting transaction: " + e);
            responseObserver.onNext(SubmitReply.newBuilder().setSuccess(false).setErrorMessage(e.toString()).build());
            responseObserver.onCompleted();
            return;
        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
            logger.info("Rejecting transaction, strange error: " + e);
            responseObserver.onNext(SubmitReply.newBuilder().setSuccess(false).setErrorMessage(e.toString()).build());
            responseObserver.onCompleted();
            return;
        }
        responseObserver.onNext(SubmitReply.newBuilder().setSuccess(true).build());
        responseObserver.onCompleted();
    }
}

Example 27 with TimeRecordAuto

use of duckutil.TimeRecordAuto in project snowblossom by snowblossomcoin.

the class ForgeInfo method getShardHead.

public BlockHeader getShardHead(int shard_id) {
    try (TimeRecordAuto tra = TimeRecord.openAuto("ForgeInfo.getShardHead")) {
        if (node.getBlockIngestor(shard_id) != null) {
            BlockSummary bs = node.getBlockIngestor(shard_id).getHead();
            if (bs != null)
                return bs.getHeader();
            return null;
        }
        BlockPreview ext_coord_head_bp = null;
        synchronized (ext_coord_head) {
            if (ext_coord_head.containsKey(shard_id)) {
                ext_coord_head_bp = ext_coord_head.get(shard_id);
            }
        }
        if (ext_coord_head_bp != null) {
            BlockHeader bh = getHeader(new ChainHash(ext_coord_head_bp.getSnowHash()));
            if (bh != null) {
                return bh;
            } else {
                logger.fine(String.format("We heard ext_coord_head_hash of %s but don't have the header", new ChainHash(ext_coord_head_bp.getSnowHash()).toString()));
            }
        }
        Set<ChainHash> head_list = node.getShardUtxoImport().getHighestKnownForShard(shard_id);
        // send them all, not just one random
        ArrayList<ChainHash> lst = new ArrayList<>();
        lst.addAll(head_list);
        if (lst.size() == 0)
            return null;
        Collections.shuffle(lst);
        ImportedBlock ib = node.getShardUtxoImport().getImportBlock(lst.get(0));
        if (ib != null)
            return ib.getHeader();
        return null;
    }
}

Example 28 with TimeRecordAuto

use of duckutil.TimeRecordAuto in project snowblossom by snowblossomcoin.

the class ForgeInfo method getShardHeads.

public List<BlockHeader> getShardHeads(int shard_id) {
    try (TimeRecordAuto tra = TimeRecord.openAuto("ForgeInfo.getShardHeads")) {
        List<BlockHeader> out = new LinkedList<>();
        if (node.getInterestShards().contains(shard_id))
            if (node.getBlockIngestor(shard_id) != null) {
                BlockSummary bs = node.getBlockIngestor(shard_id).getHead();
                if (bs != null)
                    out.add(bs.getHeader());
                return out;
            }
        BlockPreview ext_coord_head_bp = null;
        synchronized (ext_coord_head) {
            if (ext_coord_head.containsKey(shard_id)) {
                ext_coord_head_bp = ext_coord_head.get(shard_id);
            }
        }
        if (ext_coord_head_bp != null) {
            BlockHeader bh = getHeader(new ChainHash(ext_coord_head_bp.getSnowHash()));
            if (bh != null) {
                return ImmutableList.of(bh);
            } else {
                logger.fine(String.format("We heard ext_coord_head_hash of %s but don't have the header", new ChainHash(ext_coord_head_bp.getSnowHash()).toString()));
            }
        }
        Set<ChainHash> head_list = node.getShardUtxoImport().getHighestKnownForShard(shard_id);
        logger.fine(String.format("Get shard heads %d - %s", shard_id, head_list.toString()));
        // send them all, not just one random
        for (ChainHash hash : head_list) {
            ImportedBlock ib = node.getShardUtxoImport().getImportBlock(hash);
            if (ib == null) {
                logger.info(String.format("Request for shard %d head: %s but we do not have an imported block for that.", shard_id, hash.toString()));
            } else {
                out.add(ib.getHeader());
            }
        }
        return out;
    }
}

Example 29 with TimeRecordAuto

use of duckutil.TimeRecordAuto in project snowblossom by snowblossomcoin.

the class ForgeInfo method getNetworkActiveShards.

/**
 * Return the set of shards that appear to be active on the network.
 * So this will be all shards that have blocks we know about minus those
 * who have both children shards having blocks of much higher height.
 */
public Map<Integer, BlockHeader> getNetworkActiveShards() {
    try (TimeRecordAuto tra = TimeRecord.openAuto("ForgeInfo.getNetworkActiveShards")) {
        TreeMap<Integer, BlockHeader> network_active = new TreeMap<>();
        int max_height = 0;
        for (int i = 0; i <= node.getParams().getMaxShardId(); i++) {
            // We might not have info on intermediate shards that we are not tracking
            {
                BlockHeader h = getShardHead(i);
                if (h != null) {
                    network_active.put(i, h);
                    max_height = Math.max(max_height, h.getBlockHeight());
                }
            }
        }
        // Remove shards where there are both children
        // that have enough height to not worry about
        TreeSet<Integer> to_remove = new TreeSet<>();
        for (int shard_id : network_active.keySet()) {
            int h = network_active.get(shard_id).getBlockHeight();
            int child_count = 0;
            for (int c : ShardUtil.getShardChildIds(shard_id)) {
                if (network_active.containsKey(c)) {
                    int hc = network_active.get(c).getBlockHeight();
                    if (hc > h + node.getParams().getMaxShardSkewHeight() * 2)
                        child_count++;
                }
            }
            if (child_count == 2)
                to_remove.add(shard_id);
            if (h + node.getParams().getMaxShardSkewHeight() + 2 < max_height)
                to_remove.add(shard_id);
        }
        for (int x : to_remove) {
            network_active.remove(x);
        }
        return network_active;
    }
}

Example 30 with TimeRecordAuto

use of duckutil.TimeRecordAuto in project snowblossom by snowblossomcoin.

the class ForgeInfo method getLatestShard.

/**
 * Return the highest block of shard that has been included in the given header
 * or null if no such information can be found.
 */
public BlockHeader getLatestShard(BlockHeader h, int shard_id) {
    try (TimeRecordAuto tra = TimeRecord.openAuto("ForgeInfo.getLatestShard")) {
        if (h == null)
            return null;
        Set<Integer> parents = ShardUtil.getAllParents(shard_id);
        parents.add(shard_id);
        if (parents.contains(h.getShardId()))
            return h;
        for (int s : parents) {
            if (h.getShardImportMap().containsKey(s)) {
                BlockImportList bil = h.getShardImportMap().get(s);
                TreeSet<Integer> heights = new TreeSet<>();
                heights.addAll(bil.getHeightMap().keySet());
                ChainHash hash = new ChainHash(bil.getHeightMap().get(heights.last()));
                return getHeader(hash);
            }
        }
        return getLatestShard(getHeader(new ChainHash(h.getPrevBlockHash())), shard_id);
    }
}