🐛 Fix connectivity issues and improve code

demo/src/main/java/ch/dissem/bitmessage/demo/Application.java

@@ -115,6 +115,7 @@ public class Application {
             System.out.println(ctx.status());
             System.out.println();
             System.out.println("c) cleanup inventory");
+            System.out.println("n) remove known nodes");
             System.out.println("r) resend unacknowledged messages");
             System.out.println(COMMAND_BACK);
 
@@ -123,6 +124,9 @@ public class Application {
                 case "c":
                     ctx.cleanup();
                     break;
+                case "n":
+                    ctx.internals().getNodeRegistry().cleanup();
+                    break;
                 case "r":
                     ctx.resendUnacknowledgedMessages();
                     break;

demo/src/main/java/ch/dissem/bitmessage/demo/Main.java

@@ -63,6 +63,7 @@ public class Main {
             .inventory(new JdbcInventory(jdbcConfig))
             .messageRepo(new JdbcMessageRepository(jdbcConfig))
             .powRepo(new JdbcProofOfWorkRepository(jdbcConfig))
+            .labelRepo(new JdbcLabelRepository(jdbcConfig))
             .networkHandler(new NioNetworkHandler())
             .cryptography(new BouncyCryptography());
         ctxBuilder.getPreferences().setPort(48444);

demo/src/test/java/ch/dissem/bitmessage/SystemTest.kt

@@ -26,6 +26,7 @@ import ch.dissem.bitmessage.ports.Labeler
 import ch.dissem.bitmessage.repository.*
 import ch.dissem.bitmessage.utils.TTL
 import ch.dissem.bitmessage.utils.UnixTime.MINUTE
+import com.nhaarman.mockito_kotlin.any
 import com.nhaarman.mockito_kotlin.spy
 import com.nhaarman.mockito_kotlin.timeout
 import com.nhaarman.mockito_kotlin.verify
@@ -34,7 +35,6 @@ import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.Assertions.assertTimeoutPreemptively
 import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.Test
-import org.mockito.ArgumentMatchers.any
 import org.slf4j.LoggerFactory
 import java.time.Duration.ofMinutes
 import java.time.Duration.ofSeconds
@@ -126,7 +126,7 @@ class SystemTest {
             verify(
                 aliceLabeler,
                 timeout(TimeUnit.MINUTES.toMillis(2)).atLeastOnce()
-            ).markAsAcknowledged(any<Plaintext>())
+            ).markAsAcknowledged(any())
         }
     }
 
@@ -145,7 +145,7 @@ class SystemTest {
         }
     }
 
-    internal class DebugLabeler internal constructor(private val name: String) : DefaultLabeler() {
+    internal open class DebugLabeler internal constructor(private val name: String) : DefaultLabeler() {
         private val LOG = LoggerFactory.getLogger("Labeler")
         private lateinit var alice: String
         private lateinit var bob: String