Examples with Sha256Hash co.rsk.bitcoinj.core.Sha256Hash used on opensource projects

Example 26 with Sha256Hash

use of co.rsk.bitcoinj.core.Sha256Hash in project rskj by rsksmart.

the class BridgeUtilsTest method isInputSignedByThisFederator_isSigned.

@Test
public void isInputSignedByThisFederator_isSigned() {
    // Arrange
    BtcECKey federator1Key = new BtcECKey();
    BtcECKey federator2Key = new BtcECKey();
    Federation federation = new Federation(FederationMember.getFederationMembersFromKeys(Arrays.asList(federator1Key, federator2Key)), Instant.now(), 0, networkParameters);
    // Create a tx from the Fed to a random btc address
    BtcTransaction tx = new BtcTransaction(networkParameters);
    TransactionInput txInput = new TransactionInput(networkParameters, tx, new byte[] {}, new TransactionOutPoint(networkParameters, 0, Sha256Hash.ZERO_HASH));
    // Create script to be signed by federation members
    Script inputScript = PegTestUtils.createBaseInputScriptThatSpendsFromTheFederation(federation);
    txInput.setScriptSig(inputScript);
    tx.addInput(txInput);
    List<ScriptChunk> chunks = inputScript.getChunks();
    byte[] program = chunks.get(chunks.size() - 1).data;
    Script redeemScript = new Script(program);
    Sha256Hash sighash = tx.hashForSignature(0, redeemScript, BtcTransaction.SigHash.ALL, false);
    BtcECKey.ECDSASignature sig = federator1Key.sign(sighash);
    TransactionSignature txSig = new TransactionSignature(sig, BtcTransaction.SigHash.ALL, false);
    byte[] txSigEncoded = txSig.encodeToBitcoin();
    int sigIndex = inputScript.getSigInsertionIndex(sighash, federator1Key);
    inputScript = ScriptBuilder.updateScriptWithSignature(inputScript, txSigEncoded, sigIndex, 1, 1);
    txInput.setScriptSig(inputScript);
    // Act
    boolean isSigned = BridgeUtils.isInputSignedByThisFederator(federator1Key, sighash, txInput);
    // Assert
    Assert.assertTrue(isSigned);
}

Example 27 with Sha256Hash

use of co.rsk.bitcoinj.core.Sha256Hash in project rskj by rsksmart.

the class BridgeUtilsTest method signWithNKeys.

private void signWithNKeys(Federation federation, Script federationRedeemScript, List<BtcECKey> privateKeys, TransactionInput txIn, BtcTransaction tx, int numberOfSignatures) {
    Script scriptPubKey = federation.getP2SHScript();
    RedeemData redeemData = RedeemData.of(federation.getBtcPublicKeys(), federationRedeemScript);
    Script inputScript = scriptPubKey.createEmptyInputScript(redeemData.keys.get(0), redeemData.redeemScript);
    txIn.setScriptSig(inputScript);
    Sha256Hash sighash = tx.hashForSignature(0, federationRedeemScript, BtcTransaction.SigHash.ALL, false);
    for (int i = 0; i < numberOfSignatures; i++) {
        inputScript = signWithOneKey(federation, privateKeys, inputScript, sighash, i);
    }
    txIn.setScriptSig(inputScript);
}

Example 28 with Sha256Hash

use of co.rsk.bitcoinj.core.Sha256Hash in project rskj by rsksmart.

the class RepositoryBtcBlockStoreWithCacheTest method checkDifferentInstancesWithSameRepoHaveSameContentTest.

@Test
public void checkDifferentInstancesWithSameRepoHaveSameContentTest() throws Exception {
    // This Is how I produced RepositoryBlockStore_data.ser. I had a bitcoind in regtest with 613 blocks + genesis block
    // NetworkParameters params = RegTestParams.get();
    // Context context = new Context(params);
    // Wallet wallet = new Wallet(context);
    // BlockStore store = new SPVBlockStore(params, new File("spvBlockstore"));
    // AbstractBlockChain chain = new BlockChain(context, wallet, store);
    // PeerGroup peerGroup = new PeerGroup(context, chain);
    // peerGroup.start();
    // final DownloadProgressTracker listener = new DownloadProgressTracker();
    // peerGroup.startBlockChainDownload(listener);
    // listener.await();
    // peerGroup.stop();
    // StoredBlock storedBlock = chain.getChainHead();
    // FileOutputStream fos = new FileOutputStream("RepositoryBlockStore_data.ser");
    // ObjectOutputStream oos = new ObjectOutputStream(fos);
    // for (int i = 0; i < 614; i++) {
    // Triple<byte[], BigInteger , Integer> tripleStoredBlock = new ImmutableTriple<>(storedBlock.getHeader().bitcoinSerialize(), storedBlock.getChainWork(), storedBlock.getHeight());
    // oos.writeObject(tripleStoredBlock);
    // storedBlock = store.get(storedBlock.getHeader().getPrevBlockHash());
    // }
    // oos.close();
    // Read original store
    InputStream fileInputStream = ClassLoader.getSystemResourceAsStream("peg/RepositoryBlockStore_data.ser");
    ObjectInputStream objectInputStream = new ObjectInputStream(fileInputStream);
    Repository repository = createRepository();
    BtcBlockStoreWithCache.Factory btcBlockStoreFactory = new RepositoryBtcBlockStoreWithCache.Factory(bridgeConstants.getBtcParams());
    BtcBlockStoreWithCache store = btcBlockStoreFactory.newInstance(repository, bridgeConstants, mock(BridgeStorageProvider.class), mock(ActivationConfig.ForBlock.class));
    for (int i = 0; i < 614; i++) {
        Triple<byte[], BigInteger, Integer> tripleStoredBlock = (Triple<byte[], BigInteger, Integer>) objectInputStream.readObject();
        BtcBlock header = RegTestParams.get().getDefaultSerializer().makeBlock(tripleStoredBlock.getLeft());
        StoredBlock storedBlock = new StoredBlock(header, tripleStoredBlock.getMiddle(), tripleStoredBlock.getRight());
        if (i == 0) {
            store.setChainHead(storedBlock);
        }
        store.put(storedBlock);
    }
    // Create a new instance of the store
    BtcBlockStoreWithCache store2 = btcBlockStoreFactory.newInstance(repository, bridgeConstants, mock(BridgeStorageProvider.class), mock(ActivationConfig.ForBlock.class));
    // Check a specific block that used to fail when we had a bug
    assertEquals(store.get(Sha256Hash.wrap("373941fe83961cf70e181e468abc5f9f7cc440c711c3d06948fa66f3912ed27a")), store2.get(Sha256Hash.wrap("373941fe83961cf70e181e468abc5f9f7cc440c711c3d06948fa66f3912ed27a")));
    // Check new instance content is identical to the original one
    StoredBlock storedBlock = store.getChainHead();
    StoredBlock storedBlock2 = store2.getChainHead();
    int headHeight = storedBlock.getHeight();
    for (int i = 0; i < headHeight; i++) {
        assertNotNull(storedBlock);
        assertEquals(storedBlock, storedBlock2);
        Sha256Hash prevBlockHash = storedBlock.getHeader().getPrevBlockHash();
        storedBlock = store.get(prevBlockHash);
        storedBlock2 = store2.get(prevBlockHash);
    }
}

Example 29 with Sha256Hash

use of co.rsk.bitcoinj.core.Sha256Hash in project rskj by rsksmart.

the class BridgeUtilsTest method isInputSignedByThisFederator_isSignedByAnotherFederator.

@Test
public void isInputSignedByThisFederator_isSignedByAnotherFederator() {
    // Arrange
    BtcECKey federator1Key = new BtcECKey();
    BtcECKey federator2Key = new BtcECKey();
    Federation federation = new Federation(FederationMember.getFederationMembersFromKeys(Arrays.asList(federator1Key, federator2Key)), Instant.now(), 0, networkParameters);
    // Create a tx from the Fed to a random btc address
    BtcTransaction tx = new BtcTransaction(networkParameters);
    TransactionInput txInput = new TransactionInput(networkParameters, tx, new byte[] {}, new TransactionOutPoint(networkParameters, 0, Sha256Hash.ZERO_HASH));
    // Create script to be signed by federation members
    Script inputScript = PegTestUtils.createBaseInputScriptThatSpendsFromTheFederation(federation);
    txInput.setScriptSig(inputScript);
    tx.addInput(txInput);
    List<ScriptChunk> chunks = inputScript.getChunks();
    byte[] program = chunks.get(chunks.size() - 1).data;
    Script redeemScript = new Script(program);
    Sha256Hash sighash = tx.hashForSignature(0, redeemScript, BtcTransaction.SigHash.ALL, false);
    BtcECKey.ECDSASignature sig = federator1Key.sign(sighash);
    TransactionSignature txSig = new TransactionSignature(sig, BtcTransaction.SigHash.ALL, false);
    byte[] txSigEncoded = txSig.encodeToBitcoin();
    int sigIndex = inputScript.getSigInsertionIndex(sighash, federator1Key);
    inputScript = ScriptBuilder.updateScriptWithSignature(inputScript, txSigEncoded, sigIndex, 1, 1);
    txInput.setScriptSig(inputScript);
    // Act
    boolean isSigned = BridgeUtils.isInputSignedByThisFederator(federator2Key, sighash, txInput);
    // Assert
    Assert.assertFalse(isSigned);
}

Example 30 with Sha256Hash

use of co.rsk.bitcoinj.core.Sha256Hash in project rskj by rsksmart.

the class LockTest method isBtcTxHashAlreadyProcessed_no.

private void isBtcTxHashAlreadyProcessed_no(int times, ExecutionStats stats) throws VMException {
    Sha256Hash hash = Sha256Hash.of(BigInteger.valueOf(new Random().nextLong()).toByteArray());
    ABIEncoder abiEncoder = (int executionIndex) -> Bridge.IS_BTC_TX_HASH_ALREADY_PROCESSED.encode(new Object[] { ByteUtil.toHexString(hash.getBytes()) });
    executeAndAverage("isBtcTxHashAlreadyProcessed-no", times, abiEncoder, buildInitializer(), Helper.getZeroValueRandomSenderTxBuilder(), Helper.getRandomHeightProvider(10), stats);
}