Examples with Script co.rsk.bitcoinj.script.Script used on opensource projects

Example 6 with Script

use of co.rsk.bitcoinj.script.Script in project rskj by rsksmart.

the class BridgeUtilsTest method testIsMigrationTx.

@Test
public void testIsMigrationTx() {
    BridgeRegTestConstants bridgeConstants = BridgeRegTestConstants.getInstance();
    NetworkParameters parameters = bridgeConstants.getBtcParams();
    Context btcContext = new Context(parameters);
    List<BtcECKey> activeFederationKeys = Stream.of(BtcECKey.fromPrivate(Hex.decode("fa01")), BtcECKey.fromPrivate(Hex.decode("fa02"))).sorted(BtcECKey.PUBKEY_COMPARATOR).collect(Collectors.toList());
    Federation activeFederation = new Federation(activeFederationKeys, Instant.ofEpochMilli(2000L), 2L, parameters);
    List<BtcECKey> retiringFederationKeys = Stream.of(BtcECKey.fromPrivate(Hex.decode("fb01")), BtcECKey.fromPrivate(Hex.decode("fb02")), BtcECKey.fromPrivate(Hex.decode("fb03"))).sorted(BtcECKey.PUBKEY_COMPARATOR).collect(Collectors.toList());
    Federation retiringFederation = new Federation(retiringFederationKeys, Instant.ofEpochMilli(1000L), 1L, parameters);
    Address activeFederationAddress = activeFederation.getAddress();
    BtcTransaction migrationTx = new BtcTransaction(parameters);
    migrationTx.addOutput(Coin.COIN, activeFederationAddress);
    TransactionInput migrationTxInput = new TransactionInput(parameters, migrationTx, new byte[] {}, new TransactionOutPoint(parameters, 0, Sha256Hash.ZERO_HASH));
    migrationTx.addInput(migrationTxInput);
    signWithNecessaryKeys(retiringFederation, retiringFederationKeys, migrationTxInput, migrationTx, bridgeConstants);
    assertThat(BridgeUtils.isMigrationTx(migrationTx, activeFederation, retiringFederation, btcContext, bridgeConstants), is(true));
    BtcTransaction toActiveFederationTx = new BtcTransaction(parameters);
    toActiveFederationTx.addOutput(Coin.COIN, activeFederationAddress);
    toActiveFederationTx.addInput(Sha256Hash.ZERO_HASH, 0, new Script(new byte[] {}));
    assertThat(BridgeUtils.isMigrationTx(toActiveFederationTx, activeFederation, retiringFederation, btcContext, bridgeConstants), is(false));
    Address randomAddress = Address.fromBase58(NetworkParameters.fromID(NetworkParameters.ID_REGTEST), "n3PLxDiwWqa5uH7fSbHCxS6VAjD9Y7Rwkj");
    BtcTransaction fromRetiringFederationTx = new BtcTransaction(parameters);
    fromRetiringFederationTx.addOutput(Coin.COIN, randomAddress);
    TransactionInput fromRetiringFederationTxInput = new TransactionInput(parameters, fromRetiringFederationTx, new byte[] {}, new TransactionOutPoint(parameters, 0, Sha256Hash.ZERO_HASH));
    fromRetiringFederationTx.addInput(fromRetiringFederationTxInput);
    signWithNecessaryKeys(retiringFederation, retiringFederationKeys, fromRetiringFederationTxInput, fromRetiringFederationTx, bridgeConstants);
    assertThat(BridgeUtils.isMigrationTx(fromRetiringFederationTx, activeFederation, retiringFederation, btcContext, bridgeConstants), is(false));
    assertThat(BridgeUtils.isMigrationTx(migrationTx, activeFederation, null, btcContext, bridgeConstants), is(false));
}

Example 7 with Script

use of co.rsk.bitcoinj.script.Script in project rskj by rsksmart.

the class BridgeUtilsTest method testIsLock.

@Test
public void testIsLock() throws Exception {
    // Lock is for the genesis federation ATM
    NetworkParameters params = RegTestParams.get();
    Context btcContext = new Context(params);
    BridgeRegTestConstants bridgeConstants = BridgeRegTestConstants.getInstance();
    Federation federation = bridgeConstants.getGenesisFederation();
    Wallet wallet = new BridgeBtcWallet(btcContext, Arrays.asList(federation));
    wallet.addWatchedAddress(federation.getAddress(), federation.getCreationTime().toEpochMilli());
    Address address = federation.getAddress();
    // Tx sending less than 1 btc to the federation, not a lock tx
    BtcTransaction tx = new BtcTransaction(params);
    tx.addOutput(Coin.CENT, address);
    tx.addInput(Sha256Hash.ZERO_HASH, 0, new Script(new byte[] {}));
    assertFalse(BridgeUtils.isLockTx(tx, federation, btcContext, bridgeConstants));
    // Tx sending 1 btc to the federation, but also spending from the federation addres, the typical release tx, not a lock tx.
    BtcTransaction tx2 = new BtcTransaction(params);
    tx2.addOutput(Coin.COIN, address);
    TransactionInput txIn = new TransactionInput(params, tx2, new byte[] {}, new TransactionOutPoint(params, 0, Sha256Hash.ZERO_HASH));
    tx2.addInput(txIn);
    signWithNecessaryKeys(bridgeConstants.getGenesisFederation(), bridgeConstants.getFederatorPrivateKeys(), txIn, tx2, bridgeConstants);
    assertFalse(BridgeUtils.isLockTx(tx2, federation, btcContext, bridgeConstants));
    // Tx sending 1 btc to the federation, is a lock tx
    BtcTransaction tx3 = new BtcTransaction(params);
    tx3.addOutput(Coin.COIN, address);
    tx3.addInput(Sha256Hash.ZERO_HASH, 0, new Script(new byte[] {}));
    assertTrue(BridgeUtils.isLockTx(tx3, federation, btcContext, bridgeConstants));
    // Tx sending 50 btc to the federation, is a lock tx
    BtcTransaction tx4 = new BtcTransaction(params);
    tx4.addOutput(Coin.FIFTY_COINS, address);
    tx4.addInput(Sha256Hash.ZERO_HASH, 0, new Script(new byte[] {}));
    assertTrue(BridgeUtils.isLockTx(tx4, federation, btcContext, bridgeConstants));
}

Example 8 with Script

use of co.rsk.bitcoinj.script.Script in project rskj by rsksmart.

the class AddSignatureTest method getSignaturesFor.

private List<byte[]> getSignaturesFor(BtcTransaction tx, BtcECKey key) {
    List<byte[]> signatures = new ArrayList<>();
    int inputIndex = 0;
    for (TransactionInput txIn : tx.getInputs()) {
        Script inputScript = txIn.getScriptSig();
        List<ScriptChunk> chunks = inputScript.getChunks();
        byte[] program = chunks.get(chunks.size() - 1).data;
        Script redeemScript = new Script(program);
        Sha256Hash sighash = tx.hashForSignature(inputIndex, redeemScript, BtcTransaction.SigHash.ALL, false);
        BtcECKey.ECDSASignature sig = key.sign(sighash);
        signatures.add(sig.encodeToDER());
        inputIndex++;
    }
    return signatures;
}

Example 9 with Script

use of co.rsk.bitcoinj.script.Script in project rskj by rsksmart.

the class AddSignatureTest method signInputsWith.

private void signInputsWith(BtcTransaction tx, BtcECKey key) {
    List<byte[]> signatures = getSignaturesFor(tx, key);
    for (int i = 0; i < tx.getInputs().size(); i++) {
        TransactionInput input = tx.getInput(i);
        Script inputScript = input.getScriptSig();
        List<ScriptChunk> chunks = inputScript.getChunks();
        byte[] program = chunks.get(chunks.size() - 1).data;
        Script redeemScript = new Script(program);
        Sha256Hash sighash = tx.hashForSignature(i, redeemScript, BtcTransaction.SigHash.ALL, false);
        int sigIndex = inputScript.getSigInsertionIndex(sighash, key);
        BtcECKey.ECDSASignature sig = BtcECKey.ECDSASignature.decodeFromDER(signatures.get(i));
        TransactionSignature txSig = new TransactionSignature(sig, BtcTransaction.SigHash.ALL, false);
        inputScript = ScriptBuilder.updateScriptWithSignature(inputScript, txSig.encodeToBitcoin(), sigIndex, 1, 1);
        input.setScriptSig(inputScript);
    }
}

Example 10 with Script

use of co.rsk.bitcoinj.script.Script in project rskj by rsksmart.

the class UpdateCollectionsTest method updateCollections_buildReleaseTxs.

private void updateCollections_buildReleaseTxs(ExecutionStats stats, int numCases) throws IOException {
    final int minUTXOs = 1;
    final int maxUTXOs = 1000;
    final int minMilliBtc = 1;
    final int maxMilliBtc = 1000;
    final int minReleaseRequests = 1;
    final int maxReleaseRequests = 100;
    final int minMilliReleaseBtc = 10;
    final int maxMilliReleaseBtc = 2000;
    final NetworkParameters parameters = NetworkParameters.fromID(NetworkParameters.ID_REGTEST);
    BridgeStorageProviderInitializer storageInitializer = (BridgeStorageProvider provider, Repository repository, int executionIndex) -> {
        Random rnd = new Random();
        List<UTXO> utxos;
        ReleaseRequestQueue queue;
        try {
            utxos = provider.getNewFederationBtcUTXOs();
        } catch (Exception e) {
            throw new RuntimeException("Unable to gather active federation btc utxos");
        }
        try {
            queue = provider.getReleaseRequestQueue();
        } catch (Exception e) {
            throw new RuntimeException("Unable to gather release request queue");
        }
        // Generate some utxos
        int numUTXOs = Helper.randomInRange(minUTXOs, maxUTXOs);
        Script federationScript = BridgeRegTestConstants.getInstance().getGenesisFederation().getP2SHScript();
        for (int i = 0; i < numUTXOs; i++) {
            Sha256Hash hash = Sha256Hash.wrap(HashUtil.sha256(BigInteger.valueOf(rnd.nextLong()).toByteArray()));
            Coin value = Coin.MILLICOIN.multiply(Helper.randomInRange(minMilliBtc, maxMilliBtc));
            utxos.add(new UTXO(hash, 0, value, 1, false, federationScript));
        }
        // Generate some release requests to process
        for (int i = 0; i < Helper.randomInRange(minReleaseRequests, maxReleaseRequests); i++) {
            Coin value = Coin.MILLICOIN.multiply(Helper.randomInRange(minMilliReleaseBtc, maxMilliReleaseBtc));
            queue.add(new BtcECKey().toAddress(parameters), value);
        }
    };
    final byte[] updateCollectionsEncoded = Bridge.UPDATE_COLLECTIONS.encode();
    ABIEncoder abiEncoder = (int executionIndex) -> updateCollectionsEncoded;
    executeAndAverage("updateCollections-releaseRequests", numCases, abiEncoder, storageInitializer, Helper.getZeroValueRandomSenderTxBuilder(), Helper.getRandomHeightProvider(10), stats);
}