+
using org.ldk.impl;
using org.ldk.enums;
using org.ldk.util;
namespace org { namespace ldk { namespace structs {
+
+
+/** An implementation of Score */
+public interface ScoreInterface {
+ /**Serialize the object into a byte array
+ */
+ byte[] write();
+}
+
/**
- * An interface used to score payment channels for path finding.
+ * A trait which can both lookup and update routing channel penalty scores.
*
- * \tScoring is in terms of fees willing to be paid in order to avoid routing through a channel.
+ * This is used in places where both bounds are required and implemented for all types which
+ * implement [`ScoreLookUp`] and [`ScoreUpdate`].
+ *
+ * Bindings users may need to manually implement this for their custom scoring implementations.
*/
public class Score : CommonBase {
- internal readonly bindings.LDKScore bindings_instance;
+ internal bindings.LDKScore bindings_instance;
+ internal long instance_idx;
+
internal Score(object _dummy, long ptr) : base(ptr) { bindings_instance = null; }
- private Score(bindings.LDKScore arg) : base(bindings.LDKScore_new(arg)) {
- this.ptrs_to.AddLast(arg);
- this.bindings_instance = arg;
- }
~Score() {
if (ptr != 0) { bindings.Score_free(ptr); }
}
- public interface ScoreInterface {
- /**
- * Returns the fee in msats willing to be paid to avoid routing `send_amt_msat` through the
- * given channel in the direction from `source` to `target`.
- *
- * The channel's capacity (less any other MPP parts that are also being considered for use in
- * the same payment) is given by `capacity_msat`. It may be determined from various sources
- * such as a chain data, network gossip, or invoice hints. For invoice hints, a capacity near
- * [`u64::max_value`] is given to indicate sufficient capacity for the invoice's full amount.
- * Thus, implementations should be overflow-safe.
- */
- long channel_penalty_msat(long _short_channel_id, NodeId _source, NodeId _target, ChannelUsage _usage, ProbabilisticScoringFeeParameters _score_params);
- /**
- * Handles updating channel penalties after failing to route through a channel.
- */
- void payment_path_failed(Path _path, long _short_channel_id);
- /**
- * Handles updating channel penalties after successfully routing along a path.
- */
- void payment_path_successful(Path _path);
- /**
- * Handles updating channel penalties after a probe over the given path failed.
- */
- void probe_failed(Path _path, long _short_channel_id);
- /**
- * Handles updating channel penalties after a probe over the given path succeeded.
- */
- void probe_successful(Path _path);
- /**
- * Serialize the object into a byte array
- */
- byte[] write();
- }
private class LDKScoreHolder { internal Score held; }
private class LDKScoreImpl : bindings.LDKScore {
internal LDKScoreImpl(ScoreInterface arg, LDKScoreHolder impl_holder) { this.arg = arg; this.impl_holder = impl_holder; }
private ScoreInterface arg;
private LDKScoreHolder impl_holder;
- public long channel_penalty_msat(long _short_channel_id, long _source, long _target, long _usage, long _score_params) {
- org.ldk.structs.NodeId _source_hu_conv = null; if (_source < 0 || _source > 4096) { _source_hu_conv = new org.ldk.structs.NodeId(null, _source); }
- org.ldk.structs.NodeId _target_hu_conv = null; if (_target < 0 || _target > 4096) { _target_hu_conv = new org.ldk.structs.NodeId(null, _target); }
- org.ldk.structs.ChannelUsage _usage_hu_conv = null; if (_usage < 0 || _usage > 4096) { _usage_hu_conv = new org.ldk.structs.ChannelUsage(null, _usage); }
- if (_usage_hu_conv != null) { _usage_hu_conv.ptrs_to.AddLast(this); };
- org.ldk.structs.ProbabilisticScoringFeeParameters _score_params_hu_conv = null; if (_score_params < 0 || _score_params > 4096) { _score_params_hu_conv = new org.ldk.structs.ProbabilisticScoringFeeParameters(null, _score_params); }
- long ret = arg.channel_penalty_msat(_short_channel_id, _source_hu_conv, _target_hu_conv, _usage_hu_conv, _score_params_hu_conv);
- GC.KeepAlive(arg);
- return ret;
- }
- public void payment_path_failed(long _path, long _short_channel_id) {
- org.ldk.structs.Path _path_hu_conv = null; if (_path < 0 || _path > 4096) { _path_hu_conv = new org.ldk.structs.Path(null, _path); }
- arg.payment_path_failed(_path_hu_conv, _short_channel_id);
- GC.KeepAlive(arg);
- }
- public void payment_path_successful(long _path) {
- org.ldk.structs.Path _path_hu_conv = null; if (_path < 0 || _path > 4096) { _path_hu_conv = new org.ldk.structs.Path(null, _path); }
- arg.payment_path_successful(_path_hu_conv);
- GC.KeepAlive(arg);
- }
- public void probe_failed(long _path, long _short_channel_id) {
- org.ldk.structs.Path _path_hu_conv = null; if (_path < 0 || _path > 4096) { _path_hu_conv = new org.ldk.structs.Path(null, _path); }
- arg.probe_failed(_path_hu_conv, _short_channel_id);
- GC.KeepAlive(arg);
- }
- public void probe_successful(long _path) {
- org.ldk.structs.Path _path_hu_conv = null; if (_path < 0 || _path > 4096) { _path_hu_conv = new org.ldk.structs.Path(null, _path); }
- arg.probe_successful(_path_hu_conv);
- GC.KeepAlive(arg);
- }
- public byte[] write() {
+ public long write() {
byte[] ret = arg.write();
GC.KeepAlive(arg);
- return ret;
+ long result = InternalUtils.encodeUint8Array(ret);
+ return result;
}
}
- public static Score new_impl(ScoreInterface arg) {
- LDKScoreHolder impl_holder = new LDKScoreHolder();
- impl_holder.held = new Score(new LDKScoreImpl(arg, impl_holder));
- return impl_holder.held;
- }
- /**
- * Returns the fee in msats willing to be paid to avoid routing `send_amt_msat` through the
- * given channel in the direction from `source` to `target`.
- *
- * The channel's capacity (less any other MPP parts that are also being considered for use in
- * the same payment) is given by `capacity_msat`. It may be determined from various sources
- * such as a chain data, network gossip, or invoice hints. For invoice hints, a capacity near
- * [`u64::max_value`] is given to indicate sufficient capacity for the invoice's full amount.
- * Thus, implementations should be overflow-safe.
- */
- public long channel_penalty_msat(long short_channel_id, org.ldk.structs.NodeId source, org.ldk.structs.NodeId target, org.ldk.structs.ChannelUsage usage, org.ldk.structs.ProbabilisticScoringFeeParameters score_params) {
- long ret = bindings.Score_channel_penalty_msat(this.ptr, short_channel_id, source == null ? 0 : source.ptr, target == null ? 0 : target.ptr, usage == null ? 0 : usage.ptr, score_params == null ? 0 : score_params.ptr);
- GC.KeepAlive(this);
- GC.KeepAlive(short_channel_id);
- GC.KeepAlive(source);
- GC.KeepAlive(target);
- GC.KeepAlive(usage);
- GC.KeepAlive(score_params);
- if (this != null) { this.ptrs_to.AddLast(source); };
- if (this != null) { this.ptrs_to.AddLast(target); };
- if (this != null) { this.ptrs_to.AddLast(usage); };
- if (this != null) { this.ptrs_to.AddLast(score_params); };
- return ret;
- }
-
- /**
- * Handles updating channel penalties after failing to route through a channel.
- */
- public void payment_path_failed(org.ldk.structs.Path path, long short_channel_id) {
- bindings.Score_payment_path_failed(this.ptr, path == null ? 0 : path.ptr, short_channel_id);
- GC.KeepAlive(this);
- GC.KeepAlive(path);
- GC.KeepAlive(short_channel_id);
- if (this != null) { this.ptrs_to.AddLast(path); };
- }
- /**
- * Handles updating channel penalties after successfully routing along a path.
- */
- public void payment_path_successful(org.ldk.structs.Path path) {
- bindings.Score_payment_path_successful(this.ptr, path == null ? 0 : path.ptr);
- GC.KeepAlive(this);
- GC.KeepAlive(path);
- if (this != null) { this.ptrs_to.AddLast(path); };
- }
-
- /**
- * Handles updating channel penalties after a probe over the given path failed.
- */
- public void probe_failed(org.ldk.structs.Path path, long short_channel_id) {
- bindings.Score_probe_failed(this.ptr, path == null ? 0 : path.ptr, short_channel_id);
- GC.KeepAlive(this);
- GC.KeepAlive(path);
- GC.KeepAlive(short_channel_id);
- if (this != null) { this.ptrs_to.AddLast(path); };
- }
+ /** Creates a new instance of Score from a given implementation */
+ public static Score new_impl(ScoreInterface arg, ScoreLookUpInterface scoreLookUp_impl, ScoreUpdateInterface scoreUpdate_impl) {
+ LDKScoreHolder impl_holder = new LDKScoreHolder();
+ LDKScoreImpl impl = new LDKScoreImpl(arg, impl_holder);
+ ScoreLookUp scoreLookUp = ScoreLookUp.new_impl(scoreLookUp_impl);
+ ScoreUpdate scoreUpdate = ScoreUpdate.new_impl(scoreUpdate_impl);
+ long[] ptr_idx = bindings.LDKScore_new(impl, scoreLookUp.instance_idx, scoreUpdate.instance_idx);
- /**
- * Handles updating channel penalties after a probe over the given path succeeded.
- */
- public void probe_successful(org.ldk.structs.Path path) {
- bindings.Score_probe_successful(this.ptr, path == null ? 0 : path.ptr);
- GC.KeepAlive(this);
- GC.KeepAlive(path);
- if (this != null) { this.ptrs_to.AddLast(path); };
+ impl_holder.held = new Score(null, ptr_idx[0]);
+ impl_holder.held.instance_idx = ptr_idx[1];
+ impl_holder.held.bindings_instance = impl;
+ impl_holder.held.ptrs_to.AddLast(scoreLookUp);
+ impl_holder.held.ptrs_to.AddLast(scoreUpdate);
+ return impl_holder.held;
}
/**
* Serialize the object into a byte array
*/
public byte[] write() {
- byte[] ret = bindings.Score_write(this.ptr);
+ long ret = bindings.Score_write(this.ptr);
GC.KeepAlive(this);
- return ret;
+ if (ret >= 0 && ret <= 4096) { return null; }
+ byte[] ret_conv = InternalUtils.decodeUint8Array(ret);
+ return ret_conv;
}
}
projects / ldk-java / blobdiff