import org.ldk.impl.bindings;
import org.ldk.enums.*;
+import org.ldk.util.*;
+import java.util.Arrays;
+import java.lang.ref.Reference;
+import javax.annotation.Nullable;
+
+/**
+ * Receives and validates network updates from peers,
+ * stores authentic and relevant data as a network graph.
+ * This network graph is then used for routing payments.
+ * Provides interface to help with initial routing sync by
+ * serving historical announcements.
+ *
+ * Serves as an [`EventHandler`] for applying updates from [`Event::PaymentPathFailed`] to the
+ * [`NetworkGraph`].
+ */
+@SuppressWarnings("unchecked") // We correctly assign various generic arrays
public class NetGraphMsgHandler extends CommonBase {
NetGraphMsgHandler(Object _dummy, long ptr) { super(ptr); }
@Override @SuppressWarnings("deprecation")
protected void finalize() throws Throwable {
- bindings.NetGraphMsgHandler_free(ptr); super.finalize();
+ super.finalize();
+ if (ptr != 0) { bindings.NetGraphMsgHandler_free(ptr); }
}
- public NetGraphMsgHandler(Access chain_access, Logger logger) {
- super(bindings.NetGraphMsgHandler_new(chain_access == null ? 0 : chain_access.ptr, logger == null ? 0 : logger.ptr));
- this.ptrs_to.add(chain_access);
- this.ptrs_to.add(logger);
+ /**
+ * Constructs a new EventHandler which calls the relevant methods on this_arg.
+ * This copies the `inner` pointer in this_arg and thus the returned EventHandler must be freed before this_arg is
+ */
+ public EventHandler as_EventHandler() {
+ long ret = bindings.NetGraphMsgHandler_as_EventHandler(this.ptr);
+ Reference.reachabilityFence(this);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ EventHandler ret_hu_conv = new EventHandler(null, ret);
+ ret_hu_conv.ptrs_to.add(this);
+ return ret_hu_conv;
}
- public NetGraphMsgHandler(Access chain_access, Logger logger, NetworkGraph network_graph) {
- super(bindings.NetGraphMsgHandler_from_net_graph(chain_access == null ? 0 : chain_access.ptr, logger == null ? 0 : logger.ptr, network_graph == null ? 0 : network_graph.ptr & ~1));
- this.ptrs_to.add(chain_access);
- this.ptrs_to.add(logger);
- this.ptrs_to.add(network_graph);
+ /**
+ * Creates a new tracker of the actual state of the network of channels and nodes,
+ * assuming an existing Network Graph.
+ * Chain monitor is used to make sure announced channels exist on-chain,
+ * channel data is correct, and that the announcement is signed with
+ * channel owners' keys.
+ */
+ public static NetGraphMsgHandler of(NetworkGraph network_graph, Option_AccessZ chain_access, Logger logger) {
+ long ret = bindings.NetGraphMsgHandler_new(network_graph == null ? 0 : network_graph.ptr & ~1, chain_access.ptr, logger == null ? 0 : logger.ptr);
+ Reference.reachabilityFence(network_graph);
+ Reference.reachabilityFence(chain_access);
+ Reference.reachabilityFence(logger);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ NetGraphMsgHandler ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new NetGraphMsgHandler(null, ret); }
+ ret_hu_conv.ptrs_to.add(ret_hu_conv);
+ ret_hu_conv.ptrs_to.add(network_graph);
+ ret_hu_conv.ptrs_to.add(chain_access);
+ ret_hu_conv.ptrs_to.add(logger);
+ return ret_hu_conv;
}
- public LockedNetworkGraph read_locked_graph() {
- LockedNetworkGraph ret = new LockedNetworkGraph(null, bindings.NetGraphMsgHandler_read_locked_graph(this.ptr));
- return ret;
+ /**
+ * Adds a provider used to check new announcements. Does not affect
+ * existing announcements unless they are updated.
+ * Add, update or remove the provider would replace the current one.
+ */
+ public void add_chain_access(Option_AccessZ chain_access) {
+ bindings.NetGraphMsgHandler_add_chain_access(this.ptr, chain_access.ptr);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(chain_access);
+ this.ptrs_to.add(chain_access);
}
+ /**
+ * Constructs a new RoutingMessageHandler which calls the relevant methods on this_arg.
+ * This copies the `inner` pointer in this_arg and thus the returned RoutingMessageHandler must be freed before this_arg is
+ */
public RoutingMessageHandler as_RoutingMessageHandler() {
- RoutingMessageHandler ret = new RoutingMessageHandler(null, bindings.NetGraphMsgHandler_as_RoutingMessageHandler(this.ptr));
- ret.ptrs_to.add(this);
- return ret;
+ long ret = bindings.NetGraphMsgHandler_as_RoutingMessageHandler(this.ptr);
+ Reference.reachabilityFence(this);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ RoutingMessageHandler ret_hu_conv = new RoutingMessageHandler(null, ret);
+ ret_hu_conv.ptrs_to.add(this);
+ return ret_hu_conv;
+ }
+
+ /**
+ * Constructs a new MessageSendEventsProvider which calls the relevant methods on this_arg.
+ * This copies the `inner` pointer in this_arg and thus the returned MessageSendEventsProvider must be freed before this_arg is
+ */
+ public MessageSendEventsProvider as_MessageSendEventsProvider() {
+ long ret = bindings.NetGraphMsgHandler_as_MessageSendEventsProvider(this.ptr);
+ Reference.reachabilityFence(this);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ MessageSendEventsProvider ret_hu_conv = new MessageSendEventsProvider(null, ret);
+ ret_hu_conv.ptrs_to.add(this);
+ return ret_hu_conv;
}
}
projects / ldk-java / blobdiff