_ Git - ldk-java/blob - src/main/java/org/ldk/structs/Payer.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 javax.annotation.Nullable;
   8
   9 /**
  10  * A trait defining behavior of an [`Invoice`] payer.
  11  */
  12 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
  13 public class Payer extends CommonBase {
  14         final bindings.LDKPayer bindings_instance;
  15         Payer(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }
  16         private Payer(bindings.LDKPayer arg) {
  17                 super(bindings.LDKPayer_new(arg));
  18                 this.ptrs_to.add(arg);
  19                 this.bindings_instance = arg;
  20         }
  21         @Override @SuppressWarnings("deprecation")
  22         protected void finalize() throws Throwable {
  23                 if (ptr != 0) { bindings.Payer_free(ptr); } super.finalize();
  24         }
  25
  26         public static interface PayerInterface {
  27                 /**
  28                  * Returns the payer's node id.
  29                  */
  30                 byte[] node_id();
  31                 /**
  32                  * Returns the payer's channels.
  33                  */
  34                 ChannelDetails[] first_hops();
  35                 /**
  36                  * Sends a payment over the Lightning Network using the given [`Route`].
  37                  *
  38                  * Note that payment_secret (or a relevant inner pointer) may be NULL or all-0s to represent None
  39                  */
  40                 Result_PaymentIdPaymentSendFailureZ send_payment(Route route, byte[] payment_hash, byte[] payment_secret);
  41                 /**
  42                  * Retries a failed payment path for the [`PaymentId`] using the given [`Route`].
  43                  */
  44                 Result_NonePaymentSendFailureZ retry_payment(Route route, byte[] payment_id);
  45         }
  46         private static class LDKPayerHolder { Payer held; }
  47         public static Payer new_impl(PayerInterface arg) {
  48                 final LDKPayerHolder impl_holder = new LDKPayerHolder();
  49                 impl_holder.held = new Payer(new bindings.LDKPayer() {
  50                         @Override public byte[] node_id() {
  51                                 byte[] ret = arg.node_id();
  52                                 byte[] result = InternalUtils.check_arr_len(ret, 33);
  53                                 return result;
  54                         }
  55                         @Override public long[] first_hops() {
  56                                 ChannelDetails[] ret = arg.first_hops();
  57                                 long[] result = ret != null ? Arrays.stream(ret).mapToLong(ret_conv_16 -> ret_conv_16 == null ? 0 : ret_conv_16.clone_ptr()).toArray() : null;
  58                                 return result;
  59                         }
  60                         @Override public long send_payment(long route, byte[] payment_hash, byte[] payment_secret) {
  61                                 Route route_hu_conv = null; if (route < 0 || route > 4096) { route_hu_conv = new Route(null, route); }
  62                                 Result_PaymentIdPaymentSendFailureZ ret = arg.send_payment(route_hu_conv, payment_hash, payment_secret);
  63                                 long result = ret == null ? 0 : ret.clone_ptr();
  64                                 return result;
  65                         }
  66                         @Override public long retry_payment(long route, byte[] payment_id) {
  67                                 Route route_hu_conv = null; if (route < 0 || route > 4096) { route_hu_conv = new Route(null, route); }
  68                                 Result_NonePaymentSendFailureZ ret = arg.retry_payment(route_hu_conv, payment_id);
  69                                 long result = ret == null ? 0 : ret.clone_ptr();
  70                                 return result;
  71                         }
  72                 });
  73                 return impl_holder.held;
  74         }
  75         /**
  76          * Returns the payer's node id.
  77          */
  78         public byte[] node_id() {
  79                 byte[] ret = bindings.Payer_node_id(this.ptr);
  80                 return ret;
  81         }
  82
  83         /**
  84          * Returns the payer's channels.
  85          */
  86         public ChannelDetails[] first_hops() {
  87                 long[] ret = bindings.Payer_first_hops(this.ptr);
  88                 ChannelDetails[] ret_conv_16_arr = new ChannelDetails[ret.length];
  89                 for (int q = 0; q < ret.length; q++) {
  90                         long ret_conv_16 = ret[q];
  91                         ChannelDetails ret_conv_16_hu_conv = null; if (ret_conv_16 < 0 || ret_conv_16 > 4096) { ret_conv_16_hu_conv = new ChannelDetails(null, ret_conv_16); }
  92                         ret_conv_16_hu_conv.ptrs_to.add(this);
  93                         ret_conv_16_arr[q] = ret_conv_16_hu_conv;
  94                 }
  95                 return ret_conv_16_arr;
  96         }
  97
  98         /**
  99          * Sends a payment over the Lightning Network using the given [`Route`].
 100          *
 101          * Note that payment_secret (or a relevant inner pointer) may be NULL or all-0s to represent None
 102          */
 103         public Result_PaymentIdPaymentSendFailureZ send_payment(Route route, byte[] payment_hash, @Nullable byte[] payment_secret) {
 104                 long ret = bindings.Payer_send_payment(this.ptr, route == null ? 0 : route.ptr & ~1, InternalUtils.check_arr_len(payment_hash, 32), InternalUtils.check_arr_len(payment_secret, 32));
 105                 if (ret >= 0 && ret <= 4096) { return null; }
 106                 Result_PaymentIdPaymentSendFailureZ ret_hu_conv = Result_PaymentIdPaymentSendFailureZ.constr_from_ptr(ret);
 107                 this.ptrs_to.add(route);
 108                 return ret_hu_conv;
 109         }
 110
 111         /**
 112          * Retries a failed payment path for the [`PaymentId`] using the given [`Route`].
 113          */
 114         public Result_NonePaymentSendFailureZ retry_payment(Route route, byte[] payment_id) {
 115                 long ret = bindings.Payer_retry_payment(this.ptr, route == null ? 0 : route.ptr & ~1, InternalUtils.check_arr_len(payment_id, 32));
 116                 if (ret >= 0 && ret <= 4096) { return null; }
 117                 Result_NonePaymentSendFailureZ ret_hu_conv = Result_NonePaymentSendFailureZ.constr_from_ptr(ret);
 118                 this.ptrs_to.add(route);
 119                 return ret_hu_conv;
 120         }
 121
 122 }