X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Forg%2Fldk%2Fstructs%2FNetworkGraph.java;h=69d615eddae0afd08b200a5f0b08942a47962e06;hb=46bbb80f28ce77aaca1a3ebbf79c3c768c40f25b;hp=0bb25757e8cff206455f2c8bfed67e57a55c7fd6;hpb=3d559f3266fde7c6a21248c10d9a7145125b5e69;p=ldk-java diff --git a/src/main/java/org/ldk/structs/NetworkGraph.java b/src/main/java/org/ldk/structs/NetworkGraph.java index 0bb25757..69d615ed 100644 --- a/src/main/java/org/ldk/structs/NetworkGraph.java +++ b/src/main/java/org/ldk/structs/NetworkGraph.java @@ -2,22 +2,156 @@ package org.ldk.structs; import org.ldk.impl.bindings; import org.ldk.enums.*; +import org.ldk.util.*; +import java.util.Arrays; + +/** + * Represents the network as nodes and channels between them + */ +@SuppressWarnings("unchecked") // We correctly assign various generic arrays public class NetworkGraph extends CommonBase { NetworkGraph(Object _dummy, long ptr) { super(ptr); } @Override @SuppressWarnings("deprecation") protected void finalize() throws Throwable { - bindings.NetworkGraph_free(ptr); super.finalize(); + super.finalize(); + if (ptr != 0) { bindings.NetworkGraph_free(ptr); } + } + + /** + * Creates a copy of the NetworkGraph + */ + public NetworkGraph clone() { + long ret = bindings.NetworkGraph_clone(this.ptr); + NetworkGraph ret_hu_conv = new NetworkGraph(null, ret); + ret_hu_conv.ptrs_to.add(this); + return ret_hu_conv; + } + + /** + * Serialize the NetworkGraph object into a byte array which can be read by NetworkGraph_read + */ + public byte[] write() { + byte[] ret = bindings.NetworkGraph_write(this.ptr); + return ret; } - // Skipped NetworkGraph_write - // Skipped NetworkGraph_read - public NetworkGraph() { - super(bindings.NetworkGraph_new()); + /** + * Read a NetworkGraph from a byte array, created by NetworkGraph_write + */ + public static Result_NetworkGraphDecodeErrorZ read(byte[] ser) { + long ret = bindings.NetworkGraph_read(ser); + Result_NetworkGraphDecodeErrorZ ret_hu_conv = Result_NetworkGraphDecodeErrorZ.constr_from_ptr(ret); + return ret_hu_conv; } + /** + * Creates a new, empty, network graph. + */ + public static NetworkGraph of(byte[] genesis_hash) { + long ret = bindings.NetworkGraph_new(genesis_hash); + NetworkGraph ret_hu_conv = new NetworkGraph(null, ret); + ret_hu_conv.ptrs_to.add(ret_hu_conv); + return ret_hu_conv; + } + + /** + * For an already known node (from channel announcements), update its stored properties from a + * given node announcement. + * + * You probably don't want to call this directly, instead relying on a NetGraphMsgHandler's + * RoutingMessageHandler implementation to call it indirectly. This may be useful to accept + * routing messages from a source using a protocol other than the lightning P2P protocol. + */ + public Result_NoneLightningErrorZ update_node_from_announcement(NodeAnnouncement msg) { + long ret = bindings.NetworkGraph_update_node_from_announcement(this.ptr, msg == null ? 0 : msg.ptr & ~1); + Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret); + this.ptrs_to.add(msg); + return ret_hu_conv; + } + + /** + * For an already known node (from channel announcements), update its stored properties from a + * given node announcement without verifying the associated signatures. Because we aren't + * given the associated signatures here we cannot relay the node announcement to any of our + * peers. + */ + public Result_NoneLightningErrorZ update_node_from_unsigned_announcement(UnsignedNodeAnnouncement msg) { + long ret = bindings.NetworkGraph_update_node_from_unsigned_announcement(this.ptr, msg == null ? 0 : msg.ptr & ~1); + Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret); + this.ptrs_to.add(msg); + return ret_hu_conv; + } + + /** + * Store or update channel info from a channel announcement. + * + * You probably don't want to call this directly, instead relying on a NetGraphMsgHandler's + * RoutingMessageHandler implementation to call it indirectly. This may be useful to accept + * routing messages from a source using a protocol other than the lightning P2P protocol. + * + * If a `chain::Access` object is provided via `chain_access`, it will be called to verify + * the corresponding UTXO exists on chain and is correctly-formatted. + */ + public Result_NoneLightningErrorZ update_channel_from_announcement(ChannelAnnouncement msg, Access chain_access) { + long ret = bindings.NetworkGraph_update_channel_from_announcement(this.ptr, msg == null ? 0 : msg.ptr & ~1, chain_access == null ? 0 : chain_access.ptr); + Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret); + this.ptrs_to.add(msg); + this.ptrs_to.add(chain_access); + return ret_hu_conv; + } + + /** + * Store or update channel info from a channel announcement without verifying the associated + * signatures. Because we aren't given the associated signatures here we cannot relay the + * channel announcement to any of our peers. + * + * If a `chain::Access` object is provided via `chain_access`, it will be called to verify + * the corresponding UTXO exists on chain and is correctly-formatted. + */ + public Result_NoneLightningErrorZ update_channel_from_unsigned_announcement(UnsignedChannelAnnouncement msg, Access chain_access) { + long ret = bindings.NetworkGraph_update_channel_from_unsigned_announcement(this.ptr, msg == null ? 0 : msg.ptr & ~1, chain_access == null ? 0 : chain_access.ptr); + Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret); + this.ptrs_to.add(msg); + this.ptrs_to.add(chain_access); + return ret_hu_conv; + } + + /** + * Close a channel if a corresponding HTLC fail was sent. + * If permanent, removes a channel from the local storage. + * May cause the removal of nodes too, if this was their last channel. + * If not permanent, makes channels unavailable for routing. + */ public void close_channel_from_update(long short_channel_id, boolean is_permanent) { bindings.NetworkGraph_close_channel_from_update(this.ptr, short_channel_id, is_permanent); } + /** + * For an already known (from announcement) channel, update info about one of the directions + * of the channel. + * + * You probably don't want to call this directly, instead relying on a NetGraphMsgHandler's + * RoutingMessageHandler implementation to call it indirectly. This may be useful to accept + * routing messages from a source using a protocol other than the lightning P2P protocol. + */ + public Result_NoneLightningErrorZ update_channel(ChannelUpdate msg) { + long ret = bindings.NetworkGraph_update_channel(this.ptr, msg == null ? 0 : msg.ptr & ~1); + Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret); + this.ptrs_to.add(msg); + return ret_hu_conv; + } + + /** + * For an already known (from announcement) channel, update info about one of the directions + * of the channel without verifying the associated signatures. Because we aren't given the + * associated signatures here we cannot relay the channel update to any of our peers. + */ + public Result_NoneLightningErrorZ update_channel_unsigned(UnsignedChannelUpdate msg) { + long ret = bindings.NetworkGraph_update_channel_unsigned(this.ptr, msg == null ? 0 : msg.ptr & ~1); + Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret); + this.ptrs_to.add(msg); + return ret_hu_conv; + } + }