Examples with SharedRLPList org.aion.rlp.SharedRLPList used on opensource projects

Example 16 with SharedRLPList

use of org.aion.rlp.SharedRLPList in project aion by aionnetwork.

the class ResBlocksHeaders method decode.

public static ResBlocksHeaders decode(final byte[] _msgBytes, Logger logger) {
    if (_msgBytes == null || _msgBytes.length == 0)
        return null;
    else {
        try {
            SharedRLPList list = (SharedRLPList) RLP.decode2SharedList(_msgBytes).get(0);
            List<BlockHeader> blockHeaders = new ArrayList<>();
            for (RLPElement aList : list) {
                blockHeaders.add(BlockUtil.newHeaderFromUnsafeSource((SharedRLPList) aList));
            }
            return new ResBlocksHeaders(blockHeaders);
        } catch (Exception ex) {
            if (logger != null) {
                logger.debug("ResBlocksHeaders decode failed!", ex);
            }
            return null;
        }
    }
}

Example 17 with SharedRLPList

use of org.aion.rlp.SharedRLPList in project aion by aionnetwork.

the class BroadcastNewBlockHandler method receive.

@Override
public void receive(int _nodeIdHashcode, String _displayId, final byte[] _msgBytes) {
    // for runtime survey information
    long startTime, duration;
    if (_msgBytes == null)
        return;
    startTime = System.nanoTime();
    byte[] rawdata = BroadcastNewBlock.decode(_msgBytes);
    if (rawdata == null) {
        p2pMgr.errCheck(_nodeIdHashcode, _displayId);
        log.error("<new-block-handler decode-error, from {} len: {}>", _displayId, _msgBytes.length);
        if (log.isTraceEnabled()) {
            log.trace("new-block-handler dump: {}", ByteUtil.toHexString(_msgBytes));
        }
        duration = System.nanoTime() - startTime;
        surveyLog.debug("Receive Stage 6: process propagated block, duration = {} ns.", duration);
        return;
    }
    try {
        // preventative try-catch: it's unlikely that exceptions can pass up to here
        SharedRLPList list = RLP.decode2SharedList(rawdata);
        RLPElement element = list.get(0);
        if (element.isList()) {
            // returns null when decoding failed
            Block block = BlockUtil.newBlockFromUnsafeSource((SharedRLPList) element);
            if (block != null) {
                BlockPropagationHandler.PropStatus result = this.propHandler.processIncomingBlock(_nodeIdHashcode, _displayId, block);
                duration = System.nanoTime() - startTime;
                surveyLog.debug("Receive Stage 6: process propagated block, duration = {} ns.", duration);
                log.debug("<block-prop node=" + _displayId + " block-hash=" + block.getShortHash() + " status=" + result.name() + ">");
            }
        } else {
            throw new IllegalArgumentException("decoded data is not a list.");
        }
    } catch (Exception e) {
        log.error("RLP decode error!", e);
    }
}

Example 18 with SharedRLPList

use of org.aion.rlp.SharedRLPList in project aion by aionnetwork.

the class TransformedCodeSerializer method decodeInnerMap.

private static Map<Integer, byte[]> decodeInnerMap(SharedRLPList list) {
    Map<Integer, byte[]> map = new HashMap<>();
    for (RLPElement e : list) {
        // validity check pair
        if (!(e.isList())) {
            return null;
        }
        SharedRLPList pair = (SharedRLPList) e;
        // validity check
        if (pair.size() != 2) {
            return null;
        }
        int avmVersion = Byte.toUnsignedInt(pair.get(0).getRLPData()[0]);
        byte[] transformedCode = pair.get(1).getRLPData();
        // zero (i.e. false) decodes to empty byte array
        map.put(avmVersion, transformedCode);
    }
    return map;
}

Example 19 with SharedRLPList

use of org.aion.rlp.SharedRLPList in project aion by aionnetwork.

the class KdfParams method parse.

public static KdfParams parse(byte[] bytes) throws UnsupportedEncodingException {
    RLPElement element = RLP.decode2SharedList(bytes).get(0);
    if (!element.isList()) {
        throw new IllegalArgumentException("The keystore decoded rlp element is not a list");
    }
    SharedRLPList list = (SharedRLPList) element;
    KdfParams kdfParams = new KdfParams();
    kdfParams.setC(ByteUtil.byteArrayToInt(list.get(0).getRLPData()));
    kdfParams.setDklen(ByteUtil.byteArrayToInt(list.get(1).getRLPData()));
    kdfParams.setN(ByteUtil.byteArrayToInt(list.get(2).getRLPData()));
    kdfParams.setP(ByteUtil.byteArrayToInt(list.get(3).getRLPData()));
    kdfParams.setR(ByteUtil.byteArrayToInt(list.get(4).getRLPData()));
    kdfParams.setSalt(new String(list.get(5).getRLPData(), "US-ASCII"));
    return kdfParams;
}

Example 20 with SharedRLPList

use of org.aion.rlp.SharedRLPList in project aion by aionnetwork.

the class KeystoreCrypto method parse.

public static KeystoreCrypto parse(byte[] bytes) throws UnsupportedEncodingException {
    RLPElement element = RLP.decode2SharedList(bytes).get(0);
    if (!element.isList()) {
        throw new IllegalArgumentException("The keystore decoded rlp element is not a list");
    }
    SharedRLPList list = (SharedRLPList) element;
    KeystoreCrypto kc = new KeystoreCrypto();
    kc.setCipher(new String(list.get(0).getRLPData(), "UTF-8"));
    kc.setCipherText(new String(list.get(1).getRLPData(), "US-ASCII"));
    kc.setKdf(new String(list.get(2).getRLPData(), "UTF-8"));
    kc.setMac(new String(list.get(3).getRLPData(), "US-ASCII"));
    kc.setCipherParams(CipherParams.parse(list.get(4).getRLPData()));
    kc.setKdfParams(KdfParams.parse(list.get(5).getRLPData()));
    return kc;
}