Examples with ChainHash snowblossom.lib.ChainHash used on opensource projects

Example 21 with ChainHash

use of snowblossom.lib.ChainHash in project snowblossom by snowblossomcoin.

the class WalletUtil method testWallet.

public static List<AddressSpecHash> testWallet(WalletDatabase db) throws ValidationException {
    Random rnd = new Random();
    byte[] rnd_bytes = new byte[32];
    rnd.nextBytes(rnd_bytes);
    ChainHash rnd_hash = new ChainHash(rnd_bytes);
    for (WalletKeyPair pair : db.getKeysList()) {
        SigSpec sig_spec = SigSpec.newBuilder().setSignatureType(pair.getSignatureType()).setPublicKey(pair.getPublicKey()).build();
        ByteString sig = SignatureUtil.sign(pair, rnd_hash);
        if (!SignatureUtil.checkSignature(sig_spec, rnd_hash.getBytes(), sig)) {
            throw new ValidationException("Signature check failure on keypair: " + pair);
        }
    }
    LinkedList<AddressSpecHash> addresses = new LinkedList<>();
    for (AddressSpec spec : db.getAddressesList()) {
        addresses.add(AddressUtil.getHashForSpec(spec));
    }
    return addresses;
}

Example 22 with ChainHash

use of snowblossom.lib.ChainHash in project snowblossom by snowblossomcoin.

the class SpoonTest method testConsolidateFunds.

protected void testConsolidateFunds(SnowBlossomNode node, SnowBlossomClient client, KeyPair key_pair, AddressSpecHash from_addr) throws Exception {
    List<TransactionBridge> funds = client.getSpendable(from_addr);
    System.out.println("Funds: " + funds.size());
    Assert.assertTrue(funds.size() > 3);
    KeyPair key_pair_to = KeyUtil.generateECCompressedKey();
    AddressSpec claim = AddressUtil.getSimpleSpecForKey(key_pair_to.getPublic(), SignatureUtil.SIG_TYPE_ECDSA_COMPRESSED);
    AddressSpecHash to_addr = AddressUtil.getHashForSpec(claim);
    long value = 0;
    LinkedList<TransactionInput> in_list = new LinkedList<>();
    for (TransactionBridge b : funds) {
        value += b.value;
        in_list.add(b.in);
    }
    TransactionOutput out = TransactionOutput.newBuilder().setRecipientSpecHash(to_addr.getBytes()).setValue(value).build();
    Transaction tx = TransactionUtil.createTransaction(in_list, ImmutableList.of(out), key_pair);
    Assert.assertTrue(client.submitTransaction(tx));
    waitForMoreBlocks(node, 2);
    List<TransactionBridge> new_funds = client.getSpendable(to_addr);
    Assert.assertEquals(1, new_funds.size());
    TransactionBridge b = new_funds.get(0);
    Assert.assertEquals(value, b.value);
    Assert.assertNotNull(node.getDB());
    TransactionStatus status = TransactionMapUtil.getTxStatus(new ChainHash(tx.getTxHash()), node.getDB(), node.getBlockIngestor().getHead());
    System.out.println(status);
    Assert.assertTrue(status.getConfirmed());
    {
        HistoryList hl = AddressHistoryUtil.getHistory(to_addr, node.getDB(), node.getBlockIngestor().getHead());
        Assert.assertEquals(1, hl.getEntriesCount());
    }
    {
        HistoryList hl = AddressHistoryUtil.getHistory(from_addr, node.getDB(), node.getBlockIngestor().getHead());
        Assert.assertTrue(hl.getEntriesCount() > 5);
    }
    System.out.println(tx);
}

Example 23 with ChainHash

use of snowblossom.lib.ChainHash in project snowblossom by snowblossomcoin.

the class SpoonTest method printNodeShardStatus.

/**
 * Print a bunch of information about what a node knows about the shards
 */
protected void printNodeShardStatus(SnowBlossomNode node, String label) {
    System.out.println("-------------- Node Shard Report ----------------------");
    System.out.println("NODE: " + label);
    System.out.println("Interest shards: " + node.getInterestShards());
    System.out.println("Active shards: " + node.getActiveShards());
    System.out.println("Building shards: " + node.getCurrentBuildingShards());
    for (int shard = 0; shard <= node.getParams().getMaxShardId(); shard++) {
        for (BlockHeader bh : node.getForgeInfo().getShardHeads(shard)) {
            ChainHash hash = new ChainHash(bh.getSnowHash());
            boolean has_summary = (node.getForgeInfo().getSummary(hash) != null);
            boolean has_export = (node.getShardUtxoImport().getImportBlock(hash) != null);
            System.out.println(String.format("Shard head %d sum:%b exp:%b - %s", shard, has_summary, has_export, node.getForgeInfo().getHeaderString(bh)));
        }
    }
    System.out.println("-------------- Node Shard Report End ------------------");
}

Example 24 with ChainHash

use of snowblossom.lib.ChainHash in project snowblossom by snowblossomcoin.

the class GraphOutput method getName.

public static String getName(BlockHeader bh) {
    ChainHash hash = new ChainHash(bh.getSnowHash());
    String hash_str = hash.toString().substring(0, 12);
    return String.format("s%dh%d-%s", bh.getShardId(), bh.getBlockHeight(), hash_str);
}