import org.ldk.enums.*;
import org.ldk.util.*;
import java.util.Arrays;
+import java.lang.ref.Reference;
import javax.annotation.Nullable;
/**
public static interface ScoreInterface {
/**
- * Returns the fee in msats willing to be paid to avoid routing through the given channel
- * in the direction from `source` to `target`.
+ * 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 which are also being considered for use in
+ * the same payment) is given by `channel_capacity_msat`. It may be guessed from various
+ * sources or assumed from no data at all.
+ *
+ * For hints provided in the invoice, we assume the channel has sufficient capacity to accept
+ * the invoice's full amount, and provide a `channel_capacity_msat` of `None`. In all other
+ * cases it is set to `Some`, even if we're guessing at the channel value.
+ *
+ * Your code should be overflow-safe through a `channel_capacity_msat` of 21 million BTC.
*/
- long channel_penalty_msat(long short_channel_id, NodeId source, NodeId target);
+ long channel_penalty_msat(long short_channel_id, long send_amt_msat, Option_u64Z channel_capacity_msat, NodeId source, NodeId target);
/**
* Handles updating channel penalties after failing to route through a channel.
*/
void payment_path_failed(RouteHop[] path, long short_channel_id);
+ /**
+ * Handles updating channel penalties after successfully routing along a path.
+ */
+ void payment_path_successful(RouteHop[] path);
/**
* Serialize the object into a byte array
*/
public static Score new_impl(ScoreInterface arg) {
final LDKScoreHolder impl_holder = new LDKScoreHolder();
impl_holder.held = new Score(new bindings.LDKScore() {
- @Override public long channel_penalty_msat(long short_channel_id, long source, long target) {
+ @Override public long channel_penalty_msat(long short_channel_id, long send_amt_msat, long channel_capacity_msat, long source, long target) {
+ Option_u64Z channel_capacity_msat_hu_conv = Option_u64Z.constr_from_ptr(channel_capacity_msat);
+ channel_capacity_msat_hu_conv.ptrs_to.add(this);
NodeId source_hu_conv = null; if (source < 0 || source > 4096) { source_hu_conv = new NodeId(null, source); }
NodeId target_hu_conv = null; if (target < 0 || target > 4096) { target_hu_conv = new NodeId(null, target); }
- long ret = arg.channel_penalty_msat(short_channel_id, source_hu_conv, target_hu_conv);
+ long ret = arg.channel_penalty_msat(short_channel_id, send_amt_msat, channel_capacity_msat_hu_conv, source_hu_conv, target_hu_conv);
return ret;
}
@Override public void payment_path_failed(long[] path, long short_channel_id) {
}
arg.payment_path_failed(path_conv_10_arr, short_channel_id);
}
+ @Override public void payment_path_successful(long[] path) {
+ RouteHop[] path_conv_10_arr = new RouteHop[path.length];
+ for (int k = 0; k < path.length; k++) {
+ long path_conv_10 = path[k];
+ RouteHop path_conv_10_hu_conv = null; if (path_conv_10 < 0 || path_conv_10 > 4096) { path_conv_10_hu_conv = new RouteHop(null, path_conv_10); }
+ path_conv_10_hu_conv.ptrs_to.add(this);
+ path_conv_10_arr[k] = path_conv_10_hu_conv;
+ }
+ arg.payment_path_successful(path_conv_10_arr);
+ }
@Override public byte[] write() {
byte[] ret = arg.write();
return ret;
return impl_holder.held;
}
/**
- * Returns the fee in msats willing to be paid to avoid routing through the given channel
- * in the direction from `source` to `target`.
+ * 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 which are also being considered for use in
+ * the same payment) is given by `channel_capacity_msat`. It may be guessed from various
+ * sources or assumed from no data at all.
+ *
+ * For hints provided in the invoice, we assume the channel has sufficient capacity to accept
+ * the invoice's full amount, and provide a `channel_capacity_msat` of `None`. In all other
+ * cases it is set to `Some`, even if we're guessing at the channel value.
+ *
+ * Your code should be overflow-safe through a `channel_capacity_msat` of 21 million BTC.
*/
- public long channel_penalty_msat(long short_channel_id, NodeId source, NodeId target) {
- long ret = bindings.Score_channel_penalty_msat(this.ptr, short_channel_id, source == null ? 0 : source.ptr & ~1, target == null ? 0 : target.ptr & ~1);
+ public long channel_penalty_msat(long short_channel_id, long send_amt_msat, Option_u64Z channel_capacity_msat, NodeId source, NodeId target) {
+ long ret = bindings.Score_channel_penalty_msat(this.ptr, short_channel_id, send_amt_msat, channel_capacity_msat.ptr, source == null ? 0 : source.ptr & ~1, target == null ? 0 : target.ptr & ~1);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(short_channel_id);
+ Reference.reachabilityFence(send_amt_msat);
+ Reference.reachabilityFence(channel_capacity_msat);
+ Reference.reachabilityFence(source);
+ Reference.reachabilityFence(target);
this.ptrs_to.add(source);
this.ptrs_to.add(target);
return ret;
*/
public void payment_path_failed(RouteHop[] path, long short_channel_id) {
bindings.Score_payment_path_failed(this.ptr, path != null ? Arrays.stream(path).mapToLong(path_conv_10 -> path_conv_10 == null ? 0 : path_conv_10.ptr & ~1).toArray() : null, short_channel_id);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(path);
+ Reference.reachabilityFence(short_channel_id);
+ }
+
+ /**
+ * Handles updating channel penalties after successfully routing along a path.
+ */
+ public void payment_path_successful(RouteHop[] path) {
+ bindings.Score_payment_path_successful(this.ptr, path != null ? Arrays.stream(path).mapToLong(path_conv_10 -> path_conv_10 == null ? 0 : path_conv_10.ptr & ~1).toArray() : null);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(path);
}
/**
*/
public byte[] write() {
byte[] ret = bindings.Score_write(this.ptr);
+ Reference.reachabilityFence(this);
return ret;
}
projects / ldk-java / blobdiff