--- /dev/null
+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;
+
+/**
+ * An interface used to score payment channels for path finding.
+ *
+ * `ScoreLookUp` is used to determine the penalty for a given channel.
+ *
+ * Scoring is in terms of fees willing to be paid in order to avoid routing through a channel.
+ */
+@SuppressWarnings("unchecked") // We correctly assign various generic arrays
+public class ScoreLookUp extends CommonBase {
+ final bindings.LDKScoreLookUp bindings_instance;
+ ScoreLookUp(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }
+ private ScoreLookUp(bindings.LDKScoreLookUp arg) {
+ super(bindings.LDKScoreLookUp_new(arg));
+ this.ptrs_to.add(arg);
+ this.bindings_instance = arg;
+ }
+ @Override @SuppressWarnings("deprecation")
+ protected void finalize() throws Throwable {
+ if (ptr != 0) { bindings.ScoreLookUp_free(ptr); } super.finalize();
+ }
+ /**
+ * Destroys the object, freeing associated resources. After this call, any access
+ * to this object may result in a SEGFAULT or worse.
+ *
+ * You should generally NEVER call this method. You should let the garbage collector
+ * do this for you when it finalizes objects. However, it may be useful for types
+ * which represent locks and should be closed immediately to avoid holding locks
+ * until the GC runs.
+ */
+ public void destroy() {
+ if (ptr != 0) { bindings.ScoreLookUp_free(ptr); }
+ ptr = 0;
+ }
+ public static interface ScoreLookUpInterface {
+ /**
+ * 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);
+ }
+ private static class LDKScoreLookUpHolder { ScoreLookUp held; }
+ public static ScoreLookUp new_impl(ScoreLookUpInterface arg) {
+ final LDKScoreLookUpHolder impl_holder = new LDKScoreLookUpHolder();
+ impl_holder.held = new ScoreLookUp(new bindings.LDKScoreLookUp() {
+ @Override 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.add(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);
+ Reference.reachabilityFence(arg);
+ return ret;
+ }
+ });
+ 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.ScoreLookUp_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);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(short_channel_id);
+ Reference.reachabilityFence(source);
+ Reference.reachabilityFence(target);
+ Reference.reachabilityFence(usage);
+ Reference.reachabilityFence(score_params);
+ if (this != null) { this.ptrs_to.add(source); };
+ if (this != null) { this.ptrs_to.add(target); };
+ if (this != null) { this.ptrs_to.add(usage); };
+ if (this != null) { this.ptrs_to.add(score_params); };
+ return ret;
+ }
+
+}
projects / ldk-java / blobdiff