_ 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 java.lang.ref.Reference;
   8 import javax.annotation.Nullable;
   9
  10 /**
  11  * A trait defining behavior of an [`Invoice`] payer.
  12  */
  13 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
  14 public class Payer extends CommonBase {
  15         final bindings.LDKPayer bindings_instance;
  16         Payer(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }
  17         private Payer(bindings.LDKPayer arg) {
  18                 super(bindings.LDKPayer_new(arg));
  19                 this.ptrs_to.add(arg);
  20                 this.bindings_instance = arg;
  21         }
  22         @Override @SuppressWarnings("deprecation")
  23         protected void finalize() throws Throwable {
  24                 if (ptr != 0) { bindings.Payer_free(ptr); } super.finalize();
  25         }
  26
  27         public static interface PayerInterface {
  28                 /**
  29                  * Returns the payer's node id.
  30                  */
  31                 byte[] node_id();
  32                 /**
  33                  * Returns the payer's channels.
  34                  */
  35                 ChannelDetails[] first_hops();
  36                 /**
  37                  * Sends a payment over the Lightning Network using the given [`Route`].
  38                  *
  39                  * Note that payment_secret (or a relevant inner pointer) may be NULL or all-0s to represent None
  40                  */
  41                 Result_PaymentIdPaymentSendFailureZ send_payment(Route route, byte[] payment_hash, byte[] payment_secret);
  42                 /**
  43                  * Sends a spontaneous payment over the Lightning Network using the given [`Route`].
  44                  */
  45                 Result_PaymentIdPaymentSendFailureZ send_spontaneous_payment(Route route, byte[] payment_preimage);
  46                 /**
  47                  * Retries a failed payment path for the [`PaymentId`] using the given [`Route`].
  48                  */
  49                 Result_NonePaymentSendFailureZ retry_payment(Route route, byte[] payment_id);
  50                 /**
  51                  * Signals that no further retries for the given payment will occur.
  52                  */
  53                 void abandon_payment(byte[] payment_id);
  54         }
  55         private static class LDKPayerHolder { Payer held; }
  56         public static Payer new_impl(PayerInterface arg) {
  57                 final LDKPayerHolder impl_holder = new LDKPayerHolder();
  58                 impl_holder.held = new Payer(new bindings.LDKPayer() {
  59                         @Override public byte[] node_id() {
  60                                 byte[] ret = arg.node_id();
  61                                 byte[] result = InternalUtils.check_arr_len(ret, 33);
  62                                 return result;
  63                         }
  64                         @Override public long[] first_hops() {
  65                                 ChannelDetails[] ret = arg.first_hops();
  66                                 long[] result = ret != null ? Arrays.stream(ret).mapToLong(ret_conv_16 -> ret_conv_16 == null ? 0 : ret_conv_16.clone_ptr()).toArray() : null;
  67                                 return result;
  68                         }
  69                         @Override public long send_payment(long route, byte[] payment_hash, byte[] payment_secret) {
  70                                 Route route_hu_conv = null; if (route < 0 || route > 4096) { route_hu_conv = new Route(null, route); }
  71                                 Result_PaymentIdPaymentSendFailureZ ret = arg.send_payment(route_hu_conv, payment_hash, payment_secret);
  72                                 long result = ret == null ? 0 : ret.clone_ptr();
  73                                 return result;
  74                         }
  75                         @Override public long send_spontaneous_payment(long route, byte[] payment_preimage) {
  76                                 Route route_hu_conv = null; if (route < 0 || route > 4096) { route_hu_conv = new Route(null, route); }
  77                                 Result_PaymentIdPaymentSendFailureZ ret = arg.send_spontaneous_payment(route_hu_conv, payment_preimage);
  78                                 long result = ret == null ? 0 : ret.clone_ptr();
  79                                 return result;
  80                         }
  81                         @Override public long retry_payment(long route, byte[] payment_id) {
  82                                 Route route_hu_conv = null; if (route < 0 || route > 4096) { route_hu_conv = new Route(null, route); }
  83                                 Result_NonePaymentSendFailureZ ret = arg.retry_payment(route_hu_conv, payment_id);
  84                                 long result = ret == null ? 0 : ret.clone_ptr();
  85                                 return result;
  86                         }
  87                         @Override public void abandon_payment(byte[] payment_id) {
  88                                 arg.abandon_payment(payment_id);
  89                         }
  90                 });
  91                 return impl_holder.held;
  92         }
  93         /**
  94          * Returns the payer's node id.
  95          */
  96         public byte[] node_id() {
  97                 byte[] ret = bindings.Payer_node_id(this.ptr);
  98                 Reference.reachabilityFence(this);
  99                 return ret;
 100         }
 101
 102         /**
 103          * Returns the payer's channels.
 104          */
 105         public ChannelDetails[] first_hops() {
 106                 long[] ret = bindings.Payer_first_hops(this.ptr);
 107                 Reference.reachabilityFence(this);
 108                 int ret_conv_16_len = ret.length;
 109                 ChannelDetails[] ret_conv_16_arr = new ChannelDetails[ret_conv_16_len];
 110                 for (int q = 0; q < ret_conv_16_len; q++) {
 111                         long ret_conv_16 = ret[q];
 112                         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); }
 113                         ret_conv_16_hu_conv.ptrs_to.add(this);
 114                         ret_conv_16_arr[q] = ret_conv_16_hu_conv;
 115                 }
 116                 return ret_conv_16_arr;
 117         }
 118
 119         /**
 120          * Sends a payment over the Lightning Network using the given [`Route`].
 121          *
 122          * Note that payment_secret (or a relevant inner pointer) may be NULL or all-0s to represent None
 123          */
 124         public Result_PaymentIdPaymentSendFailureZ send_payment(Route route, byte[] payment_hash, @Nullable byte[] payment_secret) {
 125                 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));
 126                 Reference.reachabilityFence(this);
 127                 Reference.reachabilityFence(route);
 128                 Reference.reachabilityFence(payment_hash);
 129                 Reference.reachabilityFence(payment_secret);
 130                 if (ret >= 0 && ret <= 4096) { return null; }
 131                 Result_PaymentIdPaymentSendFailureZ ret_hu_conv = Result_PaymentIdPaymentSendFailureZ.constr_from_ptr(ret);
 132                 this.ptrs_to.add(route);
 133                 return ret_hu_conv;
 134         }
 135
 136         /**
 137          * Sends a spontaneous payment over the Lightning Network using the given [`Route`].
 138          */
 139         public Result_PaymentIdPaymentSendFailureZ send_spontaneous_payment(Route route, byte[] payment_preimage) {
 140                 long ret = bindings.Payer_send_spontaneous_payment(this.ptr, route == null ? 0 : route.ptr & ~1, InternalUtils.check_arr_len(payment_preimage, 32));
 141                 Reference.reachabilityFence(this);
 142                 Reference.reachabilityFence(route);
 143                 Reference.reachabilityFence(payment_preimage);
 144                 if (ret >= 0 && ret <= 4096) { return null; }
 145                 Result_PaymentIdPaymentSendFailureZ ret_hu_conv = Result_PaymentIdPaymentSendFailureZ.constr_from_ptr(ret);
 146                 this.ptrs_to.add(route);
 147                 return ret_hu_conv;
 148         }
 149
 150         /**
 151          * Retries a failed payment path for the [`PaymentId`] using the given [`Route`].
 152          */
 153         public Result_NonePaymentSendFailureZ retry_payment(Route route, byte[] payment_id) {
 154                 long ret = bindings.Payer_retry_payment(this.ptr, route == null ? 0 : route.ptr & ~1, InternalUtils.check_arr_len(payment_id, 32));
 155                 Reference.reachabilityFence(this);
 156                 Reference.reachabilityFence(route);
 157                 Reference.reachabilityFence(payment_id);
 158                 if (ret >= 0 && ret <= 4096) { return null; }
 159                 Result_NonePaymentSendFailureZ ret_hu_conv = Result_NonePaymentSendFailureZ.constr_from_ptr(ret);
 160                 this.ptrs_to.add(route);
 161                 return ret_hu_conv;
 162         }
 163
 164         /**
 165          * Signals that no further retries for the given payment will occur.
 166          */
 167         public void abandon_payment(byte[] payment_id) {
 168                 bindings.Payer_abandon_payment(this.ptr, InternalUtils.check_arr_len(payment_id, 32));
 169                 Reference.reachabilityFence(this);
 170                 Reference.reachabilityFence(payment_id);
 171         }
 172
 173 }