Examples with RLPList org.ethereum.util.RLPList used on opensource projects

Example 21 with RLPList

use of org.ethereum.util.RLPList in project rskj by rsksmart.

the class StatusMessage method parse.

protected void parse() {
    RLPList paramsList = (RLPList) RLP.decode2(encoded).get(0);
    this.protocolVersion = paramsList.get(0).getRLPData()[0];
    byte[] networkIdBytes = paramsList.get(1).getRLPData();
    this.networkId = networkIdBytes == null ? 0 : ByteUtil.byteArrayToInt(networkIdBytes);
    byte[] diff = paramsList.get(2).getRLPData();
    this.totalDifficulty = (diff == null) ? ZERO_BYTE_ARRAY : diff;
    this.bestHash = paramsList.get(3).getRLPData();
    this.genesisHash = paramsList.get(4).getRLPData();
    parsed = true;
}

Example 22 with RLPList

use of org.ethereum.util.RLPList in project rskj by rsksmart.

the class TransactionsMessage method parse.

private void parse() {
    RLPList paramsList = (RLPList) RLP.decode2(encoded).get(0);
    transactions = new ArrayList<>();
    for (int i = 0; i < paramsList.size(); ++i) {
        RLPList rlpTxData = (RLPList) paramsList.get(i);
        Transaction tx = new ImmutableTransaction(rlpTxData.getRLPData());
        transactions.add(tx);
    }
    parsed = true;
}

Example 23 with RLPList

use of org.ethereum.util.RLPList in project rskj by rsksmart.

the class DisconnectMessage method parse.

private void parse() {
    RLPList paramsList = (RLPList) RLP.decode2(encoded).get(0);
    byte[] reasonBytes = paramsList.get(0).getRLPData();
    if (reasonBytes == null) {
        this.reason = REQUESTED;
    } else {
        this.reason = ReasonCode.fromInt(reasonBytes[0]);
    }
    parsed = true;
}

Example 24 with RLPList

use of org.ethereum.util.RLPList in project rskj by rsksmart.

the class PeersMessage method parse.

private void parse() {
    RLPList paramsList = (RLPList) RLP.decode2(encoded).get(0);
    peers = new LinkedHashSet<>();
    for (int i = 1; i < paramsList.size(); ++i) {
        RLPList peerParams = (RLPList) paramsList.get(i);
        byte[] ipBytes = peerParams.get(0).getRLPData();
        byte[] portBytes = peerParams.get(1).getRLPData();
        byte[] peerIdRaw = peerParams.get(2).getRLPData();
        try {
            int peerPort = ByteUtil.byteArrayToInt(portBytes);
            InetAddress address = InetAddress.getByAddress(ipBytes);
            String peerId = peerIdRaw == null ? "" : Hex.toHexString(peerIdRaw);
            Peer peer = new Peer(address, peerPort, peerId);
            peers.add(peer);
        } catch (UnknownHostException e) {
            throw new RuntimeException("Malformed ip", e);
        }
    }
    this.parsed = true;
}

Example 25 with RLPList

use of org.ethereum.util.RLPList in project rskj by rsksmart.

the class AuthInitiateMessageV4 method decode.

static AuthInitiateMessageV4 decode(byte[] wire) {
    AuthInitiateMessageV4 message = new AuthInitiateMessageV4();
    RLPList params = (RLPList) RLP.decode2OneItem(wire, 0);
    byte[] signatureBytes = params.get(0).getRLPData();
    int offset = 0;
    byte[] r = new byte[32];
    byte[] s = new byte[32];
    System.arraycopy(signatureBytes, offset, r, 0, 32);
    offset += 32;
    System.arraycopy(signatureBytes, offset, s, 0, 32);
    offset += 32;
    int v = signatureBytes[offset] + 27;
    message.signature = ECKey.ECDSASignature.fromComponents(r, s, (byte) v);
    byte[] publicKeyBytes = params.get(1).getRLPData();
    byte[] bytes = new byte[65];
    System.arraycopy(publicKeyBytes, 0, bytes, 1, 64);
    // uncompressed
    bytes[0] = 0x04;
    message.publicKey = ECKey.CURVE.getCurve().decodePoint(bytes);
    message.nonce = params.get(2).getRLPData();
    byte[] versionBytes = params.get(3).getRLPData();
    message.version = ByteUtil.byteArrayToInt(versionBytes);
    return message;
}