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

Example 26 with SharedRLPList

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

the class BlockUtil method newBlockFromRlp.

/**
 * Decodes the given encoding into a new instance of a block or returns {@code null} if the RLP
 * encoding does not describe a valid block.
 *
 * @param rlp RLP encoded block data
 * @return a new instance of a block or {@code null} if the RLP encoding does not describe a
 *     valid block
 * @implNote Assumes the data is from a safe (internal) source.
 */
public static Block newBlockFromRlp(byte[] rlp) {
    // return null when given empty bytes
    if (rlp == null || rlp.length == 0) {
        return null;
    }
    // attempt decoding, return null if it fails
    try {
        SharedRLPList params = RLP.decode2SharedList(rlp);
        SharedRLPList block = (SharedRLPList) params.get(0);
        SharedRLPList header = (SharedRLPList) block.get(0);
        List<AionTransaction> txs = parseTransactions((SharedRLPList) block.get(1));
        byte[] sealType = header.get(0).getRLPData();
        if (sealType[0] == Seal.PROOF_OF_WORK.getSealId()) {
            MiningBlockHeader miningHeader = MiningBlockHeader.Builder.newInstance().withRlpList(header).build();
            return new MiningBlock(miningHeader, txs);
        } else if (sealType[0] == Seal.PROOF_OF_STAKE.getSealId()) {
            StakingBlockHeader stakingHeader = StakingBlockHeader.Builder.newInstance().withRlpList(header).build();
            return new StakingBlock(stakingHeader, txs);
        } else {
            return null;
        }
    } catch (Exception e) {
        genLog.warn("Unable to decode block bytes " + Arrays.toString(rlp), e);
        return null;
    }
}

Example 27 with SharedRLPList

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

the class TrieImpl method deserialize.

public void deserialize(SharedRLPList storage) {
    lock.lock();
    try {
        SharedRLPList rlpList = (SharedRLPList) storage.get(0);
        SharedRLPList valsList = (SharedRLPList) rlpList.get(1);
        for (int i = 0; i < valsList.size(); ++i) {
            byte[] val = valsList.get(i).getRLPData();
            byte[] key = new byte[ByteUtil.EMPTY_WORD.length];
            Value value = Value.fromRlpEncoded(val);
            System.arraycopy(rlpList.get(0).getRLPData(), i * ByteUtil.EMPTY_WORD.length, key, 0, ByteUtil.EMPTY_WORD.length);
            cache.getNodes().put(wrap(key), new Node(value));
        }
        this.deserializeRoot(rlpList.get(2).getRLPData());
    } finally {
        lock.unlock();
    }
}