Examples with MerkleProofException com.jd.blockchain.ledger.core.MerkleProofException used on opensource projects

Example 6 with MerkleProofException

use of com.jd.blockchain.ledger.core.MerkleProofException in project jdchain-core by blockchain-jd-com.

the class MerkleSortTree method loadBytes.

/**
 * 加载指定节点的内容，如果不存在，则抛出异常；
 *
 * @param nodeHash
 * @return
 */
@SuppressWarnings("unused")
private byte[] loadBytes(byte[] key) {
    Bytes storageKey = encodeStorageKey(key);
    byte[] nodeBytes = KV_STORAGE.get(storageKey);
    if (nodeBytes == null) {
        throw new MerkleProofException("Merkle node does not exist! -- key=" + storageKey.toBase58());
    }
    return nodeBytes;
}

Example 7 with MerkleProofException

use of com.jd.blockchain.ledger.core.MerkleProofException in project jdchain-core by blockchain-jd-com.

the class MerkleSortTreeTest method testAddDuplicatedData.

@Test
public void testAddDuplicatedData() {
    Random random = new Random();
    byte[] data = new byte[32];
    random.nextBytes(data);
    MemoryKVStorage storage = new MemoryKVStorage();
    // 配置选项设置为”不报告重复数据项“；
    // 以不同的 id 重复设置两个相同的数据，预期不会报告异常；
    MerkleProofException ex = null;
    try {
        TreeOptions options = TreeOptions.build().setDefaultHashAlgorithm(HASH_ALGORITHM.code()).setReportKeyStorageConfliction(false);
        MerkleSortTree<byte[]> mst = MerkleSortTree.createBytesTree(options, DEFAULT_MKL_KEY_PREFIX, storage);
        mst.set(1, data);
        mst.set(2, data);
        mst.commit();
    } catch (MerkleProofException e) {
        ex = e;
    }
    assertNull(ex);
    // 配置选项设置为”报告重复数据项“；
    // 以不同的 id 重复设置两个相同的数据，预期将报告异常；
    ex = null;
    try {
        TreeOptions options = TreeOptions.build().setDefaultHashAlgorithm(HASH_ALGORITHM.code()).setReportKeyStorageConfliction(true);
        MerkleSortTree<byte[]> mst = MerkleSortTree.createBytesTree(options, DEFAULT_MKL_KEY_PREFIX, storage);
        mst.set(1, data);
        mst.set(2, data);
        mst.commit();
    } catch (MerkleProofException e) {
        ex = e;
    }
    assertNotNull(ex);
}