Examples with BlockWrapper org.aion.zero.impl.blockchain.BlockWrapper used on opensource projects

Example 1 with BlockWrapper

use of org.aion.zero.impl.blockchain.BlockWrapper in project aion by aionnetwork.

the class BlockPropagationHandler method processIncomingBlock.

public PropStatus processIncomingBlock(final int nodeId, final String displayId, final Block block) {
    if (block == null)
        return PropStatus.DROPPED;
    ByteArrayWrapper hashWrapped = block.getHashWrapper();
    if (!this.blockHeaderValidator.validate(block.getHeader(), log))
        return PropStatus.DROPPED;
    // guarantees if multiple requests of same block appears, only one goes through
    synchronized (this.cacheMap) {
        if (this.cacheMap.get(hashWrapped) != null) {
            if (log.isTraceEnabled()) {
                log.trace("block {} already cached", block.getShortHash());
            }
            return PropStatus.DROPPED;
        }
        // regardless if block processing is successful, place into cache
        this.cacheMap.put(hashWrapped, true);
    }
    // process
    long t1 = System.currentTimeMillis();
    ImportResult result;
    if (this.blockchain.skipTryToConnect(block.getNumber())) {
        result = ImportResult.NO_PARENT;
        if (log.isInfoEnabled()) {
            log.info("<import-status: node = {}, hash = {}, number = {}, txs = {}, result = NOT_IN_RANGE>", displayId, block.getShortHash(), block.getNumber(), block.getTransactionsList().size(), result);
        } else if (log.isDebugEnabled()) {
            log.debug("<import-status: node = {}, hash = {}, number = {}, txs = {}, block time = {}, result = NOT_IN_RANGE>", displayId, block.getShortHash(), block.getNumber(), block.getTransactionsList().size(), block.getTimestamp(), result);
        }
    } else {
        result = this.blockchain.tryToConnect(new BlockWrapper(block));
        long t2 = System.currentTimeMillis();
        if (result.isStored()) {
            this.syncStats.updatePeerBlocks(displayId, 1, BlockType.IMPORTED);
        }
        if (log.isInfoEnabled()) {
            log.info("<import-status: node = {}, hash = {}, number = {}, txs = {}, result = {}, time elapsed = {} ms>", displayId, block.getShortHash(), block.getNumber(), block.getTransactionsList().size(), result, t2 - t1);
        } else if (log.isDebugEnabled()) {
            log.debug("<import-status: node = {}, hash = {}, number = {}, td = {}, txs = {}, block time = {}, result = {}, time elapsed = {} ms>", displayId, block.getShortHash(), block.getNumber(), blockchain.getTotalDifficulty(), block.getTransactionsList().size(), block.getTimestamp(), result, t2 - t1);
        }
    }
    // send
    boolean sent = result.isBest() && send(block, nodeId);
    // notify higher td peers in order to limit the rebroadcast on delay of res status updating
    if (result.isBest()) {
        Block bestBlock = blockchain.getBestBlock();
        BigInteger td = bestBlock.getTotalDifficulty();
        ResStatus rs = new ResStatus(bestBlock.getNumber(), td.toByteArray(), bestBlock.getHash(), genesis, apiVersion, (short) p2pManager.getActiveNodes().size(), BigInteger.valueOf(this.pendingState.getPendingTxSize()).toByteArray(), p2pManager.getAvgLatency());
        this.p2pManager.getActiveNodes().values().stream().filter(n -> n.getIdHash() != nodeId).filter(n -> n.getTotalDifficulty().compareTo(td) >= 0).forEach(n -> {
            log.debug("<push-status blk={} hash={} to-node={} dd={} import-result={}>", block.getNumber(), block.getShortHash(), n.getIdShort(), td.longValue() - n.getTotalDifficulty().longValue(), result.name());
            this.p2pManager.send(n.getIdHash(), n.getIdShort(), rs);
        });
    }
    // process resulting state
    if (sent && result.isSuccessful())
        return PropStatus.PROP_CONNECTED;
    if (result.isSuccessful())
        return PropStatus.CONNECTED;
    if (sent)
        return PropStatus.PROPAGATED;
    // gets dropped when the result is not valid
    return PropStatus.DROPPED;
}