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PeerGroup: make use of peer discovery optional with Tor

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This commit is contained in:
Mike Hearn 2015-06-25 19:02:18 +02:00
parent 469a589951
commit db42dc4630
1 changed files with 30 additions and 10 deletions
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40
core/src/main/java/org/bitcoinj/core/PeerGroup.java
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@ -295,9 +295,27 @@ public class PeerGroup implements TransactionBroadcaster {
* <p>The user does not need any additional software for this: it's all pure Java. As of April 2014 <b>this mode
* is experimental</b>.</p>
*
* @throws java.util.concurrent.TimeoutException if Tor fails to start within 20 seconds.
* @throws TimeoutException if Tor fails to start within 20 seconds.
*/
public static PeerGroup newWithTor(Context context, @Nullable AbstractBlockChain chain, TorClient torClient) throws TimeoutException {
return newWithTor(context, chain, torClient, true);
}
/**
* <p>Creates a PeerGroup that accesses the network via the Tor network. The provided TorClient is used so you can
* preconfigure it beforehand. It should not have been already started. You can just use "new TorClient()" if
* you don't have any particular configuration requirements.</p>
*
* <p>If running on the Oracle JDK the unlimited strength jurisdiction checks will also be overridden,
* as they no longer apply anyway and can cause startup failures due to the requirement for AES-256.</p>
*
* <p>The user does not need any additional software for this: it's all pure Java. As of April 2014 <b>this mode
* is experimental</b>.</p>
*
* @params doDiscovery if true, DNS or HTTP peer discovery will be performed via Tor: this is almost always what you want.
* @throws java.util.concurrent.TimeoutException if Tor fails to start within 20 seconds.
*/
public static PeerGroup newWithTor(Context context, @Nullable AbstractBlockChain chain, TorClient torClient, boolean doDiscovery) throws TimeoutException {
checkNotNull(torClient);
DRMWorkaround.maybeDisableExportControls();
BlockingClientManager manager = new BlockingClientManager(torClient.getSocketFactory());
@ -306,15 +324,17 @@ public class PeerGroup implements TransactionBroadcaster {
PeerGroup result = new PeerGroup(context, chain, manager, torClient);
result.setConnectTimeoutMillis(CONNECT_TIMEOUT_MSEC);
NetworkParameters params = context.getParams();
HttpDiscovery.Details[] httpSeeds = params.getHttpSeeds();
if (httpSeeds.length > 0) {
// Use HTTP discovery when Tor is active and there is a Cartographer seed, for a much needed speed boost.
OkHttpClient client = new OkHttpClient();
client.setSocketFactory(torClient.getSocketFactory());
result.addPeerDiscovery(new HttpDiscovery(params, httpSeeds[0], client));
} else {
result.addPeerDiscovery(new TorDiscovery(params, torClient));
if (doDiscovery) {
NetworkParameters params = context.getParams();
HttpDiscovery.Details[] httpSeeds = params.getHttpSeeds();
if (httpSeeds.length > 0) {
// Use HTTP discovery when Tor is active and there is a Cartographer seed, for a much needed speed boost.
OkHttpClient client = new OkHttpClient();
client.setSocketFactory(torClient.getSocketFactory());
result.addPeerDiscovery(new HttpDiscovery(params, httpSeeds[0], client));
} else {
result.addPeerDiscovery(new TorDiscovery(params, torClient));
}
}
return result;
}