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

Example 11 with BtcBlock

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

the class RepositoryBtcBlockStoreWithCacheTest method cacheLivesAcrossInstances.

@Test
public void cacheLivesAcrossInstances() throws BlockStoreException {
    Repository repository = createRepository();
    RepositoryBtcBlockStoreWithCache.Factory factory = createBlockStoreFactory();
    BtcBlockStoreWithCache btcBlockStore = createBlockStoreWithTrack(factory, repository.startTracking());
    BtcBlock genesis = networkParameters.getGenesisBlock();
    StoredBlock firstStoredBlock = createStoredBlock(genesis, 1, 0);
    Sha256Hash firstBlockHash = firstStoredBlock.getHeader().getHash();
    btcBlockStore.put(firstStoredBlock);
    // Cache should have the genesis block and the one we just added
    assertNotNull(btcBlockStore.getFromCache(genesis.getHash()));
    assertEquals(firstStoredBlock, btcBlockStore.getFromCache(firstBlockHash));
    BtcBlockStoreWithCache btcBlockStore2 = createBlockStoreWithTrack(factory, repository.startTracking());
    StoredBlock secondStoredBlock = createStoredBlock(firstStoredBlock.getHeader(), 2, 0);
    Sha256Hash secondBlockHash = secondStoredBlock.getHeader().getHash();
    btcBlockStore2.put(secondStoredBlock);
    // Trie of btcBlockStore1  should have only te second one
    assertEquals(firstStoredBlock, btcBlockStore.get(firstBlockHash));
    assertNull(btcBlockStore.get(secondBlockHash));
    // Trie of btcBlockStore2  should have only te second one
    assertNull(btcBlockStore2.get(firstBlockHash));
    assertEquals(secondStoredBlock, btcBlockStore2.get(secondBlockHash));
    // Cache has both of them
    assertEquals(firstStoredBlock, btcBlockStore2.getFromCache(firstBlockHash));
    assertEquals(secondStoredBlock, btcBlockStore2.getFromCache(secondBlockHash));
}

Example 12 with BtcBlock

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

the class RepositoryBtcBlockStoreWithCacheTest method getStoredBlockAtMainChainHeight_heightGreaterThanChainHead.

@Test(expected = BlockStoreException.class)
public void getStoredBlockAtMainChainHeight_heightGreaterThanChainHead() throws BlockStoreException {
    BtcBlockStoreWithCache btcBlockStore = createBlockStore();
    BtcBlock genesis = networkParameters.getGenesisBlock();
    StoredBlock storedBlock1 = createStoredBlock(genesis, 1, 0);
    btcBlockStore.put(storedBlock1);
    btcBlockStore.setChainHead(storedBlock1);
    assertEquals(storedBlock1, btcBlockStore.getChainHead());
    // Search for a block in a height higher than current chain head, should fail
    btcBlockStore.getStoredBlockAtMainChainHeight(3);
}

Example 13 with BtcBlock

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

the class MerkleBranchTest method assertBranchDoesntProve.

private void assertBranchDoesntProve(List<byte[]> hashes, int path, byte[] txHash, byte[] expectedMerkleRoot) {
    BtcTransaction mockTx = mock(BtcTransaction.class);
    when(mockTx.getHash()).thenReturn(Sha256Hash.wrap(txHash));
    BtcBlock mockBlock = mock(BtcBlock.class);
    when(mockBlock.getMerkleRoot()).thenReturn(Sha256Hash.wrap(expectedMerkleRoot));
    MerkleBranch merkleBranch = new MerkleBranch(hashes.stream().map(h -> Sha256Hash.wrap(h)).collect(Collectors.toList()), path);
    Assert.assertNotEquals(Sha256Hash.wrap(expectedMerkleRoot), merkleBranch.reduceFrom(Sha256Hash.wrap(txHash)));
    Assert.assertFalse(merkleBranch.proves(Sha256Hash.wrap(txHash), mockBlock));
}

Example 14 with BtcBlock

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

the class MerkleBranchTest method assertBranchCorrectlyProves.

private void assertBranchCorrectlyProves(List<byte[]> hashes, int path, byte[] txHash, byte[] expectedMerkleRoot) {
    BtcBlock mockBlock = mock(BtcBlock.class);
    when(mockBlock.getMerkleRoot()).thenReturn(Sha256Hash.wrap(expectedMerkleRoot));
    MerkleBranch merkleBranch = new MerkleBranch(hashes.stream().map(h -> Sha256Hash.wrap(h)).collect(Collectors.toList()), path);
    Assert.assertEquals(Sha256Hash.wrap(expectedMerkleRoot), merkleBranch.reduceFrom(Sha256Hash.wrap(txHash)));
    Assert.assertTrue(merkleBranch.proves(Sha256Hash.wrap(txHash), mockBlock));
}

Example 15 with BtcBlock

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

the class GetBtcBlockchainParentBlockHeaderByHashTest method getBtcBlockchainParentBlockHeaderByHashTest_success.

private void getBtcBlockchainParentBlockHeaderByHashTest_success(int times, ExecutionStats stats) throws VMException {
    BridgeStorageProviderInitializer storageInitializer = generateInitializerForTest(1000, 2000);
    executeAndAverage("getBtcBlockchainParentBlockHeaderByHashTest_success", times, getABIEncoder(), storageInitializer, Helper.getZeroValueRandomSenderTxBuilder(), Helper.getRandomHeightProvider(10), stats, (environment, executionResult) -> {
        BtcBlock btcBlock = byteArrayToBlockHeader(getByteFromResult(executionResult));
        Assert.assertEquals(expectedBlock.getHash(), btcBlock.getHash());
    });
}