X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Forg%2Fldk%2Fstructs%2FDestination.java;fp=src%2Fmain%2Fjava%2Forg%2Fldk%2Fstructs%2FDestination.java;h=8ff6799d27e70d3c8b55de3421426808224764b8;hb=76982ad5233afc2759d085bb243f33149369ab9b;hp=0000000000000000000000000000000000000000;hpb=227672ae3d27961f63d45913aad01dbae1f53e99;p=ldk-java diff --git a/src/main/java/org/ldk/structs/Destination.java b/src/main/java/org/ldk/structs/Destination.java new file mode 100644 index 00000000..8ff6799d --- /dev/null +++ b/src/main/java/org/ldk/structs/Destination.java @@ -0,0 +1,89 @@ +package org.ldk.structs; + +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; + + +/** + * The destination of an onion message. + */ +@SuppressWarnings("unchecked") // We correctly assign various generic arrays +public class Destination extends CommonBase { + private Destination(Object _dummy, long ptr) { super(ptr); } + @Override @SuppressWarnings("deprecation") + protected void finalize() throws Throwable { + super.finalize(); + if (ptr != 0) { bindings.Destination_free(ptr); } + } + static Destination constr_from_ptr(long ptr) { + bindings.LDKDestination raw_val = bindings.LDKDestination_ref_from_ptr(ptr); + if (raw_val.getClass() == bindings.LDKDestination.Node.class) { + return new Node(ptr, (bindings.LDKDestination.Node)raw_val); + } + if (raw_val.getClass() == bindings.LDKDestination.BlindedRoute.class) { + return new BlindedRoute(ptr, (bindings.LDKDestination.BlindedRoute)raw_val); + } + assert false; return null; // Unreachable without extending the (internal) bindings interface + } + + /** + * We're sending this onion message to a node. + */ + public final static class Node extends Destination { + public final byte[] node; + private Node(long ptr, bindings.LDKDestination.Node obj) { + super(null, ptr); + this.node = obj.node; + } + } + /** + * We're sending this onion message to a blinded route. + */ + public final static class BlindedRoute extends Destination { + public final org.ldk.structs.BlindedRoute blinded_route; + private BlindedRoute(long ptr, bindings.LDKDestination.BlindedRoute obj) { + super(null, ptr); + long blinded_route = obj.blinded_route; + org.ldk.structs.BlindedRoute blinded_route_hu_conv = null; if (blinded_route < 0 || blinded_route > 4096) { blinded_route_hu_conv = new org.ldk.structs.BlindedRoute(null, blinded_route); } + if (blinded_route_hu_conv != null) { blinded_route_hu_conv.ptrs_to.add(this); }; + this.blinded_route = blinded_route_hu_conv; + } + } + /** + * Utility method to constructs a new Node-variant Destination + */ + public static Destination node(byte[] a) { + long ret = bindings.Destination_node(InternalUtils.check_arr_len(a, 33)); + Reference.reachabilityFence(a); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.Destination ret_hu_conv = org.ldk.structs.Destination.constr_from_ptr(ret); + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); }; + return ret_hu_conv; + } + + /** + * Utility method to constructs a new BlindedRoute-variant Destination + */ + public static Destination blinded_route(BlindedRoute a) { + long ret = bindings.Destination_blinded_route(a == null ? 0 : a.ptr); + Reference.reachabilityFence(a); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.Destination ret_hu_conv = org.ldk.structs.Destination.constr_from_ptr(ret); + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); }; + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(a); }; + // Due to rust's strict-ownership memory model, in some cases we need to "move" + // an object to pass exclusive ownership to the function being called. + // In most cases, we avoid ret_hu_conv being visible in GC'd languages by cloning the object + // at the FFI layer, creating a new object which Rust can claim ownership of + // However, in some cases (eg here), there is no way to clone an object, and thus + // we actually have to pass full ownership to Rust. + // Thus, after ret_hu_conv call, a is reset to null and is now a dummy object. + a.ptr = 0;; + return ret_hu_conv; + } + +}