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

Example 1 with AddressSpecHash

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

the class ShardUtxoImport method checkTipTrust.

/**
 * Take an inbound tip and see if it is signing a block
 * with a key we trust.  If so, trust that block and maybe some parent blocks.
 *
 * Returns a list of hashes to request ImportedBlock for
 */
public List<ChainHash> checkTipTrust(MetricLog mlog, PeerChainTip tip) throws ValidationException {
    // If there is no block
    if (tip.getHeader().getSnowHash().size() == 0)
        return null;
    int shard_id = tip.getHeader().getShardId();
    // If this is a shard we actually track
    if (node.getInterestShards().contains(shard_id))
        return null;
    mlog.set("trusted_signers", trusted_signers.size());
    // We trust no one
    if (trusted_signers.size() == 0)
        return null;
    if (tip.getSignedHead() == null)
        return null;
    if (tip.getSignedHead().getPayload().size() == 0)
        return null;
    SignedMessagePayload payload = MsgSigUtil.validateSignedMessage(tip.getSignedHead(), node.getParams());
    mlog.set("valid_payload", 1);
    AddressSpecHash signer = AddressUtil.getHashForSpec(payload.getClaim());
    if (!trusted_signers.contains(signer))
        return null;
    mlog.set("trusted_sig", 1);
    // Now we have a valid signed head from a trusted signer
    logger.finer(String.format("Got signed tip from trusted peer (signer:%s)", AddressUtil.getAddressString("node", signer)));
    PeerTipInfo tip_info = payload.getPeerTipInfo();
    if (tip_info.getCoordHead().getSnowHash().size() > 0) {
        BlockPreview bp = tip_info.getCoordHead();
        node.getForgeInfo().saveExtCoordHead(bp);
    }
    LinkedList<ChainHash> request_list = new LinkedList<>();
    for (BlockPreview bp : tip_info.getPreviewsList()) {
        ChainHash hash = new ChainHash(bp.getSnowHash());
        node.getDB().setBlockTrust(hash);
        node.getDB().getChildBlockMapSet().add(bp.getPrevBlockHash(), bp.getSnowHash());
        ImportedBlock ib = getImportBlock(hash);
        if (ib == null) {
            // If we don't have the block, maybe request it
            if (reserveBlock(hash)) {
                request_list.add(hash);
            }
        }
    }
    return request_list;
}

Example 2 with AddressSpecHash

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

the class StubUtil method openChannel.

public static ManagedChannel openChannel(String uri, NetworkParams params) throws Exception {
    URI u = new URI(uri);
    String host = u.getHost();
    int port = u.getPort();
    String scheme = u.getScheme();
    if (scheme == null)
        scheme = "grpc";
    if (port == -1) {
        if (scheme.equals("grpc")) {
            port = params.getDefaultPort();
        } else if (scheme.equals("grpc+tls")) {
            port = params.getDefaultTlsPort();
        } else {
            throw new Exception("Unknown scheme: " + scheme);
        }
    }
    if (scheme.equals("grpc")) {
        if (port == -1)
            port = params.getDefaultPort();
        return ManagedChannelBuilder.forAddress(host, port).usePlaintext().maxInboundMessageSize(params.getGrpcMaxMessageSize()).build();
    } else if (scheme.equals("grpc+tls")) {
        if (!SystemUtil.isJvm64Bit()) {
            logger.log(Level.SEVERE, "Unable to use grpc+tls without 64-bit JVM");
            throw new Exception("64 bit JVM required for TLS");
        }
        if (port == -1)
            port = params.getDefaultTlsPort();
        AddressSpecHash expected_key = null;
        String query = u.getQuery();
        Properties query_props = new Properties();
        if (query != null) {
            query_props.load(new ByteArrayInputStream(query.replace('&', '\n').getBytes()));
            if (query_props.getProperty("key") != null) {
                expected_key = new AddressSpecHash(query_props.getProperty("key"), Globals.NODE_ADDRESS_STRING);
            }
        }
        SslContext ssl_ctx = GrpcSslContexts.forClient().trustManager(SnowTrustManagerFactorySpi.getFactory(expected_key, params)).build();
        return NettyChannelBuilder.forAddress(host, port).useTransportSecurity().sslContext(ssl_ctx).maxInboundMessageSize(params.getGrpcMaxMessageSize()).build();
    } else {
        throw new Exception("Unknown scheme: " + scheme);
    }
}

Example 3 with AddressSpecHash

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

the class WalletUtil method getAllUnused.

public static Collection<AddressSpecHash> getAllUnused(WalletDatabase db, NetworkParams params) {
    TreeMap<String, AddressSpecHash> addr_to_hash_map = new TreeMap<>();
    for (AddressSpec spec : db.getAddressesList()) {
        String addr = AddressUtil.getAddressString(spec, params);
        addr_to_hash_map.put(addr, AddressUtil.getHashForSpec(spec));
    }
    for (String addr : db.getUsedAddressesMap().keySet()) {
        addr_to_hash_map.remove(addr);
    }
    return addr_to_hash_map.values();
}

Example 4 with AddressSpecHash

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

the class WalletUtil method getAddressesByAge.

public static Collection<AddressSpecHash> getAddressesByAge(WalletDatabase db, NetworkParams params) {
    TreeMultimap<Long, AddressSpecHash> age_map = TreeMultimap.create();
    for (AddressSpec spec : db.getAddressesList()) {
        String addr = AddressUtil.getAddressString(spec, params);
        long tm = 0;
        if (db.getAddressCreateTimeMap().containsKey(addr)) {
            tm = db.getAddressCreateTimeMap().get(addr);
        }
        age_map.put(tm, AddressUtil.getHashForSpec(spec));
    }
    return age_map.values();
}

Example 5 with AddressSpecHash

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

the class WalletUtil method loadNodeWalletFromConfig.

/**
 * Loads or creates a single key wallet based on the config param name pointing
 * to a path.
 */
public static WalletDatabase loadNodeWalletFromConfig(NetworkParams params, Config config, String param_name) throws Exception {
    if (!config.isSet(param_name))
        return null;
    config.require(param_name);
    TreeMap<String, String> wallet_config_map = new TreeMap<>();
    wallet_config_map.put("wallet_path", config.get(param_name));
    wallet_config_map.put("key_count", "1");
    wallet_config_map.put("key_mode", WalletUtil.MODE_STANDARD);
    ConfigMem config_wallet = new ConfigMem(wallet_config_map);
    File wallet_path = new File(config_wallet.get("wallet_path"));
    WalletDatabase wallet_db = WalletUtil.loadWallet(wallet_path, true, params);
    if (wallet_db == null) {
        logger.log(Level.WARNING, String.format("Directory %s does not contain keys, creating new keys", wallet_path.getPath()));
        wallet_db = WalletUtil.makeNewDatabase(config_wallet, params);
        WalletUtil.saveWallet(wallet_db, wallet_path);
        AddressSpecHash spec = AddressUtil.getHashForSpec(wallet_db.getAddresses(0));
        String addr = AddressUtil.getAddressString("node", spec);
        File dir = new File(config.get(param_name));
        PrintStream out = new PrintStream(new FileOutputStream(new File(dir, "address.txt"), false));
        out.println(addr);
        out.close();
    }
    return wallet_db;
}