Chans should now work.

Other deterministic addresses should be easy to implement, but aren't done yet

core/src/main/java/ch/dissem/bitmessage/BitmessageContext.java

@@ -116,6 +116,7 @@ public class BitmessageContext {
 
     public BitmessageAddress joinChan(String passphrase, String address) {
         BitmessageAddress chan = BitmessageAddress.chan(address, passphrase);
+        chan.setAlias(passphrase);
         ctx.getAddressRepository().save(chan);
         return chan;
     }

core/src/main/java/ch/dissem/bitmessage/DefaultMessageListener.java

@@ -73,7 +73,7 @@ class DefaultMessageListener implements NetworkHandler.MessageListener {
 
     protected void receive(ObjectMessage object, GetPubkey getPubkey) {
         BitmessageAddress identity = ctx.getAddressRepository().findIdentity(getPubkey.getRipeTag());
-        if (identity != null && identity.getPrivateKey() != null) {
+        if (identity != null && identity.getPrivateKey() != null && !identity.isChan()) {
             LOG.info("Got pubkey request for identity " + identity);
             // FIXME: only send pubkey if it wasn't sent in the last 28 days
             ctx.sendPubkey(identity, object.getStream());

core/src/main/java/ch/dissem/bitmessage/entity/BitmessageAddress.java

@@ -247,4 +247,8 @@ public class BitmessageAddress implements Serializable {
     public boolean isChan() {
         return chan;
     }
+
+    public void setChan(boolean chan) {
+        this.chan = chan;
+    }
 }

core/src/main/java/ch/dissem/bitmessage/ports/AddressRepository.java

@@ -30,12 +30,17 @@ public interface AddressRepository {
      */
     List<BitmessageAddress> getIdentities();
 
+    /**
+     * @return all subscribed chans.
+     */
+    List<BitmessageAddress> getChans();
+
     List<BitmessageAddress> getSubscriptions();
 
     List<BitmessageAddress> getSubscriptions(long broadcastVersion);
 
     /**
-     * @return all Bitmessage addresses that have no private key.
+     * @return all Bitmessage addresses that have no private key or are chans.
      */
     List<BitmessageAddress> getContacts();