Esempio n. 1
0
 private static void syncChain() {
   try {
     setup();
     int startTransactions = wallet.getTransactions(true).size();
     DownloadListener listener = new DownloadListener();
     peers.startAndWait();
     peers.startBlockChainDownload(listener);
     try {
       listener.await();
     } catch (InterruptedException e) {
       System.err.println("Chain download interrupted, quitting ...");
       System.exit(1);
     }
     int endTransactions = wallet.getTransactions(true).size();
     if (endTransactions > startTransactions) {
       System.out.println("Synced " + (endTransactions - startTransactions) + " transactions.");
     }
   } catch (BlockStoreException e) {
     System.err.println("Error reading block chain file " + chainFileName + ": " + e.getMessage());
     e.printStackTrace();
   }
 }
Esempio n. 2
0
 // Sets up all objects needed for network communication but does not bring up the peers.
 private static void setup() throws BlockStoreException {
   if (store != null) return; // Already done.
   // Will create a fresh chain if one doesn't exist or there is an issue with this one.
   if (!chainFileName.exists() && wallet.getTransactions(true).size() > 0) {
     // No chain, so reset the wallet as we will be downloading from scratch.
     System.out.println("Chain file is missing so clearing transactions from the wallet.");
     reset();
   }
   if (mode == ValidationMode.SPV) {
     store = new SPVBlockStore(params, chainFileName);
     chain = new BlockChain(params, wallet, store);
   } else if (mode == ValidationMode.FULL) {
     FullPrunedBlockStore s =
         new H2FullPrunedBlockStore(params, chainFileName.getAbsolutePath(), 5000);
     store = s;
     chain = new FullPrunedBlockChain(params, wallet, s);
   }
   // This will ensure the wallet is saved when it changes.
   wallet.autosaveToFile(walletFile, 200, TimeUnit.MILLISECONDS, null);
   peers = new PeerGroup(params, chain);
   peers.setUserAgent("WalletTool", "1.0");
   peers.addWallet(wallet);
   if (options.has("peers")) {
     String peersFlag = (String) options.valueOf("peers");
     String[] peerAddrs = peersFlag.split(",");
     for (String peer : peerAddrs) {
       try {
         peers.addAddress(new PeerAddress(InetAddress.getByName(peer), params.getPort()));
       } catch (UnknownHostException e) {
         System.err.println(
             "Could not understand peer domain name/IP address: " + peer + ": " + e.getMessage());
         System.exit(1);
       }
     }
   } else {
     peers.addPeerDiscovery(new DnsDiscovery(params));
   }
 }