Examples with Keccak256 co.rsk.crypto.Keccak256 used on opensource projects

Example 96 with Keccak256

use of co.rsk.crypto.Keccak256 in project rskj by rsksmart.

the class FamilyUtils method getAncestors.

public static Set<Keccak256> getAncestors(BlockStore blockStore, long blockNumber, byte[] parentHash, int limitNum) {
    Set<Keccak256> ret = new HashSet<>();
    if (blockStore == null) {
        return ret;
    }
    int limit = (int) max(0, blockNumber - limitNum);
    Block it = blockStore.getBlockByHash(parentHash);
    while (it != null && it.getNumber() >= limit) {
        ret.add(it.getHash());
        it = blockStore.getBlockByHash(it.getParentHash().getBytes());
    }
    return ret;
}

Example 97 with Keccak256

use of co.rsk.crypto.Keccak256 in project rskj by rsksmart.

the class FamilyUtils method getUsedUncles.

public static Set<Keccak256> getUsedUncles(BlockStore blockStore, long blockNumber, byte[] parentHash, int limitNum) {
    Set<Keccak256> ret = new HashSet<>();
    if (blockStore == null) {
        return ret;
    }
    long minNumber = max(0, blockNumber - limitNum);
    Block it = blockStore.getBlockByHash(parentHash);
    while (it != null && it.getNumber() >= minNumber) {
        for (BlockHeader uncle : it.getUncleList()) {
            ret.add(uncle.getHash());
        }
        it = blockStore.getBlockByHash(it.getParentHash().getBytes());
    }
    return ret;
}

Example 98 with Keccak256

use of co.rsk.crypto.Keccak256 in project rskj by rsksmart.

the class TransactionPoolImpl method removeTransactions.

@Override
public synchronized void removeTransactions(List<Transaction> txs) {
    for (Transaction tx : txs) {
        Keccak256 khash = tx.getHash();
        pendingTransactions.removeTransactionByHash(khash);
        queuedTransactions.removeTransactionByHash(khash);
        logger.trace("Clear transaction, hash: [{}]", khash);
    }
}

Example 99 with Keccak256

use of co.rsk.crypto.Keccak256 in project rskj by rsksmart.

the class TransactionPoolImpl method addTransaction.

@Override
public synchronized boolean addTransaction(final Transaction tx) {
    if (!shouldAcceptTx(tx)) {
        return false;
    }
    Keccak256 hash = tx.getHash();
    logger.trace("add transaction {} {}", toBI(tx.getNonce()), tx.getHash());
    Long bnumber = Long.valueOf(getCurrentBestBlockNumber());
    if (pendingTransactions.hasTransaction(tx)) {
        return false;
    }
    if (queuedTransactions.hasTransaction(tx)) {
        return false;
    }
    transactionBlocks.put(hash, bnumber);
    final long timestampSeconds = this.getCurrentTimeInSeconds();
    transactionTimes.put(hash, timestampSeconds);
    BigInteger txnonce = tx.getNonceAsInteger();
    if (!txnonce.equals(this.getNextNonceByAccount(tx.getSender()))) {
        this.addQueuedTransaction(tx);
        return false;
    }
    pendingTransactions.addTransaction(tx);
    executeTransaction(tx);
    if (listener != null) {
        EventDispatchThread.invokeLater(() -> {
            listener.onPendingTransactionsReceived(Collections.singletonList(tx));
            listener.onTransactionPoolChanged(TransactionPoolImpl.this);
        });
    }
    return true;
}

Example 100 with Keccak256

use of co.rsk.crypto.Keccak256 in project rskj by rsksmart.

the class ContractDetailsImpl method decode.

@Override
public final void decode(byte[] rlpBytes) {
    ArrayList<RLPElement> rlpData = RLP.decode2(rlpBytes);
    RLPList rlpList = (RLPList) rlpData.get(0);
    RLPItem rlpAddress = (RLPItem) rlpList.get(0);
    RLPItem rlpIsExternalStorage = (RLPItem) rlpList.get(1);
    RLPItem rlpStorage = (RLPItem) rlpList.get(2);
    RLPElement rlpCode = rlpList.get(3);
    RLPList rlpKeys = (RLPList) rlpList.get(4);
    this.address = rlpAddress.getRLPData();
    this.externalStorage = rlpIsExternalStorage.getRLPData() != null;
    this.originalExternalStorage = this.externalStorage;
    if (this.externalStorage) {
        Keccak256 snapshotHash = new Keccak256(rlpStorage.getRLPData());
        this.trie = new TrieImpl(new TrieStoreImpl(levelDbByName(config, getDataSourceName())), true).getSnapshotTo(snapshotHash);
    } else {
        this.trie = TrieImpl.deserialize(rlpStorage.getRLPData());
    }
    this.code = (rlpCode.getRLPData() == null) ? EMPTY_BYTE_ARRAY : rlpCode.getRLPData();
    for (RLPElement key : rlpKeys) {
        addKey(key.getRLPData());
    }
    logger.trace("decoding contract details from bytes, hash {}, address {}, storage size {}, has external storage {}", this.getStorageHashAsString(), this.getAddressAsString(), this.getStorageSize(), this.hasExternalStorage());
}