Examples with VMException org.ethereum.vm.exception.VMException used on opensource projects

Example 16 with VMException

use of org.ethereum.vm.exception.VMException in project rskj by rsksmart.

the class ProgramTest method testCallToPrecompiledAddress_throwPrecompiledConstractException.

@Test
public void testCallToPrecompiledAddress_throwPrecompiledConstractException() throws VMException {
    when(precompiledContract.execute(any())).thenThrow(new VMException("Revert exception"));
    program.callToPrecompiledAddress(msg, precompiledContract);
    assertStack(STACK_STATE_ERROR);
    assertEquals(gasCost, program.getResult().getGasUsed());
}

Example 17 with VMException

use of org.ethereum.vm.exception.VMException in project rskj by rsksmart.

the class RemascContract method execute.

@Override
public byte[] execute(byte[] data) throws VMException {
    try {
        CallTransaction.Function function = this.getFunction(data);
        Method m = this.getClass().getMethod(function.name);
        Object result = this.invoke(m);
        remasc.save();
        return this.encodeResult(function, result);
    } catch (RemascInvalidInvocationException ex) {
        // Remasc contract was invoked with invalid parameters / out of place, throw VMException to avoid funds being transferred
        logger.warn(ex.getMessage(), ex);
        throw new VMException(ex.getMessage());
    } catch (Exception ex) {
        logger.error(ex.getMessage(), ex);
        panicProcessor.panic("remascExecute", ex.getMessage());
        throw new VMException("Exception executing remasc", ex);
    }
}

Example 18 with VMException

use of org.ethereum.vm.exception.VMException in project rskj by rsksmart.

the class BridgeTestPowerMock method executeWithInexistentFunctionAfterRskip88.

@Test
public void executeWithInexistentFunctionAfterRskip88() {
    doReturn(false).when(activationConfig).isActive(eq(RSKIP87), anyLong());
    doReturn(true).when(activationConfig).isActive(eq(RSKIP88), anyLong());
    BridgeSupportFactory bridgeSupportFactory = new BridgeSupportFactory(new RepositoryBtcBlockStoreWithCache.Factory(bridgeConstants.getBtcParams()), bridgeConstants, activationConfig);
    Bridge bridge = new Bridge(PrecompiledContracts.BRIDGE_ADDR, constants, activationConfig, bridgeSupportFactory);
    Transaction mockedTx = mock(Transaction.class);
    try {
        bridge.init(mockedTx, getGenesisBlock(), createRepository().startTracking(), null, null, null);
        bridge.execute(new byte[4]);
        Assert.fail();
    } catch (VMException e) {
        Assert.assertTrue(e.getMessage().contains("Invalid data given"));
    }
}

Example 19 with VMException

use of org.ethereum.vm.exception.VMException in project rskj by rsksmart.

the class BridgeTestPowerMock method getBtcTransactionConfirmationsAfterWasabi_merkleBranchConstructionError.

@Test
public void getBtcTransactionConfirmationsAfterWasabi_merkleBranchConstructionError() throws Exception {
    Transaction txMock = mock(Transaction.class);
    BridgeSupportFactory bridgeSupportFactory = new BridgeSupportFactory(new RepositoryBtcBlockStoreWithCache.Factory(bridgeConstants.getBtcParams()), bridgeConstants, activationConfig);
    Bridge bridge = PowerMockito.spy(new Bridge(PrecompiledContracts.BRIDGE_ADDR, constants, activationConfig, bridgeSupportFactory));
    bridge.init(txMock, getGenesisBlock(), createRepository().startTracking(), null, null, null);
    BridgeSupport bridgeSupportMock = mock(BridgeSupport.class);
    Whitebox.setInternalState(bridge, "bridgeSupport", bridgeSupportMock);
    byte[] btcTxHash = Sha256Hash.of(Hex.decode("aabbcc")).getBytes();
    byte[] btcBlockHash = Sha256Hash.of(Hex.decode("ddeeff")).getBytes();
    byte[][] merkleBranchHashes = new byte[][] { Sha256Hash.of(Hex.decode("11")).getBytes(), Sha256Hash.of(Hex.decode("22")).getBytes(), Sha256Hash.of(Hex.decode("33")).getBytes() };
    BigInteger merkleBranchBits = BigInteger.valueOf(123);
    MerkleBranch merkleBranch = mock(MerkleBranch.class);
    PowerMockito.whenNew(MerkleBranch.class).withArguments(any(List.class), any(Integer.class)).then((Answer<MerkleBranch>) invocation -> {
        List<Sha256Hash> hashes = invocation.getArgument(0);
        Assert.assertArrayEquals(merkleBranchHashes[0], hashes.get(0).getBytes());
        Assert.assertArrayEquals(merkleBranchHashes[1], hashes.get(1).getBytes());
        Assert.assertArrayEquals(merkleBranchHashes[2], hashes.get(2).getBytes());
        Integer bits = invocation.getArgument(1);
        Assert.assertEquals(123, bits.intValue());
        throw new IllegalArgumentException("blabla");
    });
    try {
        bridge.getBtcTransactionConfirmations(new Object[] { btcTxHash, btcBlockHash, merkleBranchBits, merkleBranchHashes });
        Assert.fail();
    } catch (VMException e) {
        Assert.assertTrue(e.getMessage().contains("in getBtcTransactionConfirmations"));
        Assert.assertEquals(IllegalArgumentException.class, e.getCause().getClass());
        verify(bridgeSupportMock, never()).getBtcTransactionConfirmations(any(), any(), any());
    }
}

Example 20 with VMException

use of org.ethereum.vm.exception.VMException in project rskj by rsksmart.

the class BridgeTestPowerMock method getBtcTransactionConfirmationsAfterWasabi_errorInBridgeSupport.

@Test
public void getBtcTransactionConfirmationsAfterWasabi_errorInBridgeSupport() throws Exception {
    Transaction txMock = mock(Transaction.class);
    BridgeSupportFactory bridgeSupportFactory = new BridgeSupportFactory(new RepositoryBtcBlockStoreWithCache.Factory(bridgeConstants.getBtcParams()), bridgeConstants, activationConfig);
    Bridge bridge = PowerMockito.spy(new Bridge(PrecompiledContracts.BRIDGE_ADDR, constants, activationConfig, bridgeSupportFactory));
    bridge.init(txMock, getGenesisBlock(), createRepository().startTracking(), null, null, null);
    BridgeSupport bridgeSupportMock = mock(BridgeSupport.class);
    Whitebox.setInternalState(bridge, "bridgeSupport", bridgeSupportMock);
    byte[] btcTxHash = Sha256Hash.of(Hex.decode("aabbcc")).getBytes();
    byte[] btcBlockHash = Sha256Hash.of(Hex.decode("ddeeff")).getBytes();
    byte[][] merkleBranchHashes = new byte[][] { Sha256Hash.of(Hex.decode("11")).getBytes(), Sha256Hash.of(Hex.decode("22")).getBytes(), Sha256Hash.of(Hex.decode("33")).getBytes() };
    BigInteger merkleBranchBits = BigInteger.valueOf(123);
    MerkleBranch merkleBranch = mock(MerkleBranch.class);
    PowerMockito.whenNew(MerkleBranch.class).withArguments(any(List.class), any(Integer.class)).then((Answer<MerkleBranch>) invocation -> {
        List<Sha256Hash> hashes = invocation.getArgument(0);
        Assert.assertArrayEquals(merkleBranchHashes[0], hashes.get(0).getBytes());
        Assert.assertArrayEquals(merkleBranchHashes[1], hashes.get(1).getBytes());
        Assert.assertArrayEquals(merkleBranchHashes[2], hashes.get(2).getBytes());
        Integer bits = invocation.getArgument(1);
        Assert.assertEquals(123, bits.intValue());
        return merkleBranch;
    });
    when(bridgeSupportMock.getBtcTransactionConfirmations(any(Sha256Hash.class), any(Sha256Hash.class), any(MerkleBranch.class))).then((Answer<Integer>) invocation -> {
        Sha256Hash txHash = invocation.getArgument(0);
        Assert.assertArrayEquals(btcTxHash, txHash.getBytes());
        Sha256Hash blockHash = invocation.getArgument(1);
        Assert.assertArrayEquals(btcBlockHash, blockHash.getBytes());
        MerkleBranch merkleBranchArg = invocation.getArgument(2);
        Assert.assertEquals(merkleBranch, merkleBranchArg);
        throw new VMException("bla bla bla");
    });
    try {
        bridge.getBtcTransactionConfirmations(new Object[] { btcTxHash, btcBlockHash, merkleBranchBits, merkleBranchHashes });
        Assert.fail();
    } catch (VMException e) {
        Assert.assertTrue(e.getMessage().contains("in getBtcTransactionConfirmations"));
        Assert.assertEquals(VMException.class, e.getCause().getClass());
        Assert.assertTrue(e.getCause().getMessage().contains("bla bla bla"));
    }
}