_ Git - ldk-java/blob - src/main/java/org/ldk/structs/Route.java

   1 package org.ldk.structs;
   2
   3 import org.ldk.impl.bindings;
   4 import org.ldk.enums.*;
   5 import org.ldk.util.*;
   6 import java.util.Arrays;
   7 import java.lang.ref.Reference;
   8 import javax.annotation.Nullable;
   9
  10
  11 /**
  12  * A route directs a payment from the sender (us) to the recipient. If the recipient supports MPP,
  13  * it can take multiple paths. Each path is composed of one or more hops through the network.
  14  */
  15 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
  16 public class Route extends CommonBase {
  17         Route(Object _dummy, long ptr) { super(ptr); }
  18         @Override @SuppressWarnings("deprecation")
  19         protected void finalize() throws Throwable {
  20                 super.finalize();
  21                 if (ptr != 0) { bindings.Route_free(ptr); }
  22         }
  23
  24         /**
  25          * The list of [`Path`]s taken for a single (potentially-)multi-part payment. If no
  26          * [`BlindedTail`]s are present, then the pubkey of the last [`RouteHop`] in each path must be
  27          * the same.
  28          */
  29         public Path[] get_paths() {
  30                 long[] ret = bindings.Route_get_paths(this.ptr);
  31                 Reference.reachabilityFence(this);
  32                 int ret_conv_6_len = ret.length;
  33                 Path[] ret_conv_6_arr = new Path[ret_conv_6_len];
  34                 for (int g = 0; g < ret_conv_6_len; g++) {
  35                         long ret_conv_6 = ret[g];
  36                         org.ldk.structs.Path ret_conv_6_hu_conv = null; if (ret_conv_6 < 0 || ret_conv_6 > 4096) { ret_conv_6_hu_conv = new org.ldk.structs.Path(null, ret_conv_6); }
  37                         if (ret_conv_6_hu_conv != null) { ret_conv_6_hu_conv.ptrs_to.add(this); };
  38                         ret_conv_6_arr[g] = ret_conv_6_hu_conv;
  39                 }
  40                 return ret_conv_6_arr;
  41         }
  42
  43         /**
  44          * The list of [`Path`]s taken for a single (potentially-)multi-part payment. If no
  45          * [`BlindedTail`]s are present, then the pubkey of the last [`RouteHop`] in each path must be
  46          * the same.
  47          */
  48         public void set_paths(Path[] val) {
  49                 bindings.Route_set_paths(this.ptr, val != null ? Arrays.stream(val).mapToLong(val_conv_6 -> val_conv_6 == null ? 0 : val_conv_6.ptr).toArray() : null);
  50                 Reference.reachabilityFence(this);
  51                 Reference.reachabilityFence(val);
  52                 for (Path val_conv_6: val) { if (this != null) { this.ptrs_to.add(val_conv_6); }; };
  53         }
  54
  55         /**
  56          * The `payment_params` parameter passed via [`RouteParameters`] to [`find_route`].
  57          *
  58          * This is used by `ChannelManager` to track information which may be required for retries.
  59          *
  60          * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
  61          */
  62         @Nullable
  63         public PaymentParameters get_payment_params() {
  64                 long ret = bindings.Route_get_payment_params(this.ptr);
  65                 Reference.reachabilityFence(this);
  66                 if (ret >= 0 && ret <= 4096) { return null; }
  67                 org.ldk.structs.PaymentParameters ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.PaymentParameters(null, ret); }
  68                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
  69                 return ret_hu_conv;
  70         }
  71
  72         /**
  73          * The `payment_params` parameter passed via [`RouteParameters`] to [`find_route`].
  74          *
  75          * This is used by `ChannelManager` to track information which may be required for retries.
  76          *
  77          * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None
  78          */
  79         public void set_payment_params(@Nullable org.ldk.structs.PaymentParameters val) {
  80                 bindings.Route_set_payment_params(this.ptr, val == null ? 0 : val.ptr);
  81                 Reference.reachabilityFence(this);
  82                 Reference.reachabilityFence(val);
  83                 if (this != null) { this.ptrs_to.add(val); };
  84         }
  85
  86         /**
  87          * Constructs a new Route given each field
  88          */
  89         public static Route of(Path[] paths_arg, org.ldk.structs.PaymentParameters payment_params_arg) {
  90                 long ret = bindings.Route_new(paths_arg != null ? Arrays.stream(paths_arg).mapToLong(paths_arg_conv_6 -> paths_arg_conv_6 == null ? 0 : paths_arg_conv_6.ptr).toArray() : null, payment_params_arg == null ? 0 : payment_params_arg.ptr);
  91                 Reference.reachabilityFence(paths_arg);
  92                 Reference.reachabilityFence(payment_params_arg);
  93                 if (ret >= 0 && ret <= 4096) { return null; }
  94                 org.ldk.structs.Route ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.Route(null, ret); }
  95                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
  96                 for (Path paths_arg_conv_6: paths_arg) { if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(paths_arg_conv_6); }; };
  97                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(payment_params_arg); };
  98                 return ret_hu_conv;
  99         }
 100
 101         long clone_ptr() {
 102                 long ret = bindings.Route_clone_ptr(this.ptr);
 103                 Reference.reachabilityFence(this);
 104                 return ret;
 105         }
 106
 107         /**
 108          * Creates a copy of the Route
 109          */
 110         public Route clone() {
 111                 long ret = bindings.Route_clone(this.ptr);
 112                 Reference.reachabilityFence(this);
 113                 if (ret >= 0 && ret <= 4096) { return null; }
 114                 org.ldk.structs.Route ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.Route(null, ret); }
 115                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
 116                 return ret_hu_conv;
 117         }
 118
 119         /**
 120          * Generates a non-cryptographic 64-bit hash of the Route.
 121          */
 122         public long hash() {
 123                 long ret = bindings.Route_hash(this.ptr);
 124                 Reference.reachabilityFence(this);
 125                 return ret;
 126         }
 127
 128         @Override public int hashCode() {
 129                 return (int)this.hash();
 130         }
 131         /**
 132          * Checks if two Routes contain equal inner contents.
 133          * This ignores pointers and is_owned flags and looks at the values in fields.
 134          * Two objects with NULL inner values will be considered "equal" here.
 135          */
 136         public boolean eq(org.ldk.structs.Route b) {
 137                 boolean ret = bindings.Route_eq(this.ptr, b == null ? 0 : b.ptr);
 138                 Reference.reachabilityFence(this);
 139                 Reference.reachabilityFence(b);
 140                 if (this != null) { this.ptrs_to.add(b); };
 141                 return ret;
 142         }
 143
 144         @Override public boolean equals(Object o) {
 145                 if (!(o instanceof Route)) return false;
 146                 return this.eq((Route)o);
 147         }
 148         /**
 149          * Returns the total amount of fees paid on this [`Route`].
 150          *
 151          * This doesn't include any extra payment made to the recipient, which can happen in excess of
 152          * the amount passed to [`find_route`]'s `route_params.final_value_msat`.
 153          */
 154         public long get_total_fees() {
 155                 long ret = bindings.Route_get_total_fees(this.ptr);
 156                 Reference.reachabilityFence(this);
 157                 return ret;
 158         }
 159
 160         /**
 161          * Returns the total amount paid on this [`Route`], excluding the fees. Might be more than
 162          * requested if we had to reach htlc_minimum_msat.
 163          */
 164         public long get_total_amount() {
 165                 long ret = bindings.Route_get_total_amount(this.ptr);
 166                 Reference.reachabilityFence(this);
 167                 return ret;
 168         }
 169
 170         /**
 171          * Serialize the Route object into a byte array which can be read by Route_read
 172          */
 173         public byte[] write() {
 174                 byte[] ret = bindings.Route_write(this.ptr);
 175                 Reference.reachabilityFence(this);
 176                 return ret;
 177         }
 178
 179         /**
 180          * Read a Route from a byte array, created by Route_write
 181          */
 182         public static Result_RouteDecodeErrorZ read(byte[] ser) {
 183                 long ret = bindings.Route_read(ser);
 184                 Reference.reachabilityFence(ser);
 185                 if (ret >= 0 && ret <= 4096) { return null; }
 186                 Result_RouteDecodeErrorZ ret_hu_conv = Result_RouteDecodeErrorZ.constr_from_ptr(ret);
 187                 return ret_hu_conv;
 188         }
 189
 190 }