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

Example 1 with RLPElement

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

the class BridgeSupportTest method addSignatureCreateEventLog.

@Test
public void addSignatureCreateEventLog() throws Exception {
    // Setup
    Federation federation = bridgeConstants.getGenesisFederation();
    Repository track = new RepositoryImpl(config).startTracking();
    BridgeStorageProvider provider = new BridgeStorageProvider(track, PrecompiledContracts.BRIDGE_ADDR, bridgeConstants);
    // Build prev btc tx
    BtcTransaction prevTx = new BtcTransaction(btcParams);
    TransactionOutput prevOut = new TransactionOutput(btcParams, prevTx, Coin.FIFTY_COINS, federation.getAddress());
    prevTx.addOutput(prevOut);
    // Build btc tx to be signed
    BtcTransaction btcTx = new BtcTransaction(btcParams);
    btcTx.addInput(prevOut).setScriptSig(PegTestUtils.createBaseInputScriptThatSpendsFromTheFederation(federation));
    TransactionOutput output = new TransactionOutput(btcParams, btcTx, Coin.COIN, new BtcECKey().toAddress(btcParams));
    btcTx.addOutput(output);
    // Save btc tx to be signed
    final Keccak256 rskTxHash = PegTestUtils.createHash3();
    provider.getRskTxsWaitingForSignatures().put(rskTxHash, btcTx);
    provider.save();
    track.commit();
    // Setup BridgeSupport
    List<LogInfo> eventLogs = new ArrayList<>();
    BridgeEventLogger eventLogger = new BridgeEventLoggerImpl(bridgeConstants, eventLogs);
    BridgeSupport bridgeSupport = new BridgeSupport(config, track, eventLogger, contractAddress, null);
    // Create signed hash of Btc tx
    Script inputScript = btcTx.getInputs().get(0).getScriptSig();
    List<ScriptChunk> chunks = inputScript.getChunks();
    byte[] program = chunks.get(chunks.size() - 1).data;
    Script redeemScript = new Script(program);
    Sha256Hash sigHash = btcTx.hashForSignature(0, redeemScript, BtcTransaction.SigHash.ALL, false);
    BtcECKey privateKeyToSignWith = ((BridgeRegTestConstants) bridgeConstants).getFederatorPrivateKeys().get(0);
    BtcECKey.ECDSASignature sig = privateKeyToSignWith.sign(sigHash);
    List derEncodedSigs = Collections.singletonList(sig.encodeToDER());
    BtcECKey federatorPubKey = findPublicKeySignedBy(federation.getPublicKeys(), privateKeyToSignWith);
    bridgeSupport.addSignature(1, federatorPubKey, derEncodedSigs, rskTxHash.getBytes());
    Assert.assertEquals(1, eventLogs.size());
    // Assert address that made the log
    LogInfo result = eventLogs.get(0);
    Assert.assertArrayEquals(PrecompiledContracts.BRIDGE_ADDR.getBytes(), result.getAddress());
    // Assert log topics
    Assert.assertEquals(1, result.getTopics().size());
    Assert.assertEquals(Bridge.ADD_SIGNATURE_TOPIC, result.getTopics().get(0));
    // Assert log data
    Assert.assertNotNull(result.getData());
    List<RLPElement> rlpData = RLP.decode2(result.getData());
    Assert.assertEquals(1, rlpData.size());
    RLPList dataList = (RLPList) rlpData.get(0);
    Assert.assertEquals(3, dataList.size());
    Assert.assertArrayEquals(btcTx.getHashAsString().getBytes(), dataList.get(0).getRLPData());
    Assert.assertArrayEquals(federatorPubKey.getPubKeyHash(), dataList.get(1).getRLPData());
    Assert.assertArrayEquals(rskTxHash.getBytes(), dataList.get(2).getRLPData());
}

Example 2 with RLPElement

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

the class RLPTest method encodeDecodeLongByteArrayWithTwoBytesLengthBorderCaseUsingEncode.

@Test
public void encodeDecodeLongByteArrayWithTwoBytesLengthBorderCaseUsingEncode() {
    byte[] bytes = new byte[256 * 256 - 1];
    byte[] encoded = RLP.encode(bytes);
    Assert.assertNotNull(encoded);
    Assert.assertEquals(3 + 256 * 256 - 1, encoded.length);
    Assert.assertEquals((byte) (183 + 2), encoded[0]);
    Assert.assertEquals((byte) 0xff, encoded[1]);
    Assert.assertEquals((byte) 0xff, encoded[2]);
    RLPElement element = RLP.decode2OneItem(encoded, 0);
    Assert.assertNotNull(element);
    byte[] decoded = element.getRLPData();
    Assert.assertNotNull(decoded);
    Assert.assertArrayEquals(bytes, decoded);
}

Example 3 with RLPElement

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

the class RLPTest method encodeDecodeLongByteArrayWithOneByteLength.

@Test
public void encodeDecodeLongByteArrayWithOneByteLength() {
    byte[] bytes = new byte[56];
    byte[] encoded = RLP.encodeElement(bytes);
    Assert.assertNotNull(encoded);
    Assert.assertEquals(2 + 56, encoded.length);
    Assert.assertEquals((byte) (183 + 1), encoded[0]);
    Assert.assertEquals((byte) 56, encoded[1]);
    RLPElement element = RLP.decode2OneItem(encoded, 0);
    Assert.assertNotNull(element);
    byte[] decoded = element.getRLPData();
    Assert.assertNotNull(decoded);
    Assert.assertArrayEquals(bytes, decoded);
}

Example 4 with RLPElement

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

the class RLPTest method encodeDecodeShortListWithTwoByteArraysWithTwoBytesLength.

@Test
public void encodeDecodeShortListWithTwoByteArraysWithTwoBytesLength() {
    byte[] value1 = new byte[126];
    byte[] value2 = new byte[126];
    byte[] element1 = RLP.encodeElement(value1);
    byte[] element2 = RLP.encodeElement(value2);
    byte[] encoded = RLP.encodeList(element1, element2);
    Assert.assertNotNull(encoded);
    Assert.assertEquals(1 + 2 + 2 + 126 + 2 + 126, encoded.length);
    Assert.assertEquals((byte) (247 + 2), encoded[0]);
    Assert.assertEquals((byte) (1), encoded[1]);
    Assert.assertEquals((byte) (0), encoded[2]);
    ArrayList<RLPElement> list = RLP.decode2(encoded);
    Assert.assertNotNull(list);
    Assert.assertEquals(1, list.size());
    RLPList list2 = (RLPList) list.get(0);
    Assert.assertNotNull(list2);
    Assert.assertEquals(2, list2.size());
    Assert.assertArrayEquals(value1, list2.get(0).getRLPData());
    Assert.assertArrayEquals(value2, list2.get(1).getRLPData());
}

Example 5 with RLPElement

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

the class RLPTest method encodeDecodeLongByteArrayWithTwoBytesLengthBorderCase.

@Test
public void encodeDecodeLongByteArrayWithTwoBytesLengthBorderCase() {
    byte[] bytes = new byte[256 * 256 - 1];
    byte[] encoded = RLP.encodeElement(bytes);
    Assert.assertNotNull(encoded);
    Assert.assertEquals(3 + 256 * 256 - 1, encoded.length);
    Assert.assertEquals((byte) (183 + 2), encoded[0]);
    Assert.assertEquals((byte) 0xff, encoded[1]);
    Assert.assertEquals((byte) 0xff, encoded[2]);
    RLPElement element = RLP.decode2OneItem(encoded, 0);
    Assert.assertNotNull(element);
    byte[] decoded = element.getRLPData();
    Assert.assertNotNull(decoded);
    Assert.assertArrayEquals(bytes, decoded);
}