_ Git - ldk-java/blob - src/main/java/org/ldk/structs/PaymentParameters.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  * The recipient of a payment.
  13  */
  14 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
  15 public class PaymentParameters extends CommonBase {
  16         PaymentParameters(Object _dummy, long ptr) { super(ptr); }
  17         @Override @SuppressWarnings("deprecation")
  18         protected void finalize() throws Throwable {
  19                 super.finalize();
  20                 if (ptr != 0) { bindings.PaymentParameters_free(ptr); }
  21         }
  22
  23         /**
  24          * The node id of the payee.
  25          */
  26         public byte[] get_payee_pubkey() {
  27                 byte[] ret = bindings.PaymentParameters_get_payee_pubkey(this.ptr);
  28                 Reference.reachabilityFence(this);
  29                 return ret;
  30         }
  31
  32         /**
  33          * The node id of the payee.
  34          */
  35         public void set_payee_pubkey(byte[] val) {
  36                 bindings.PaymentParameters_set_payee_pubkey(this.ptr, InternalUtils.check_arr_len(val, 33));
  37                 Reference.reachabilityFence(this);
  38                 Reference.reachabilityFence(val);
  39         }
  40
  41         /**
  42          * Features supported by the payee.
  43          *
  44          * May be set from the payee's invoice or via [`for_keysend`]. May be `None` if the invoice
  45          * does not contain any features.
  46          *
  47          * [`for_keysend`]: Self::for_keysend
  48          *
  49          * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
  50          */
  51         @Nullable
  52         public InvoiceFeatures get_features() {
  53                 long ret = bindings.PaymentParameters_get_features(this.ptr);
  54                 Reference.reachabilityFence(this);
  55                 if (ret >= 0 && ret <= 4096) { return null; }
  56                 org.ldk.structs.InvoiceFeatures ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.InvoiceFeatures(null, ret); }
  57                 ret_hu_conv.ptrs_to.add(this);
  58                 return ret_hu_conv;
  59         }
  60
  61         /**
  62          * Features supported by the payee.
  63          *
  64          * May be set from the payee's invoice or via [`for_keysend`]. May be `None` if the invoice
  65          * does not contain any features.
  66          *
  67          * [`for_keysend`]: Self::for_keysend
  68          *
  69          * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None
  70          */
  71         public void set_features(@Nullable InvoiceFeatures val) {
  72                 bindings.PaymentParameters_set_features(this.ptr, val == null ? 0 : val.ptr & ~1);
  73                 Reference.reachabilityFence(this);
  74                 Reference.reachabilityFence(val);
  75         }
  76
  77         /**
  78          * Hints for routing to the payee, containing channels connecting the payee to public nodes.
  79          */
  80         public RouteHint[] get_route_hints() {
  81                 long[] ret = bindings.PaymentParameters_get_route_hints(this.ptr);
  82                 Reference.reachabilityFence(this);
  83                 int ret_conv_11_len = ret.length;
  84                 RouteHint[] ret_conv_11_arr = new RouteHint[ret_conv_11_len];
  85                 for (int l = 0; l < ret_conv_11_len; l++) {
  86                         long ret_conv_11 = ret[l];
  87                         org.ldk.structs.RouteHint ret_conv_11_hu_conv = null; if (ret_conv_11 < 0 || ret_conv_11 > 4096) { ret_conv_11_hu_conv = new org.ldk.structs.RouteHint(null, ret_conv_11); }
  88                         ret_conv_11_hu_conv.ptrs_to.add(this);
  89                         ret_conv_11_arr[l] = ret_conv_11_hu_conv;
  90                 }
  91                 return ret_conv_11_arr;
  92         }
  93
  94         /**
  95          * Hints for routing to the payee, containing channels connecting the payee to public nodes.
  96          */
  97         public void set_route_hints(RouteHint[] val) {
  98                 bindings.PaymentParameters_set_route_hints(this.ptr, val != null ? Arrays.stream(val).mapToLong(val_conv_11 -> val_conv_11 == null ? 0 : val_conv_11.ptr & ~1).toArray() : null);
  99                 Reference.reachabilityFence(this);
 100                 Reference.reachabilityFence(val);
 101         }
 102
 103         /**
 104          * Expiration of a payment to the payee, in seconds relative to the UNIX epoch.
 105          */
 106         public Option_u64Z get_expiry_time() {
 107                 long ret = bindings.PaymentParameters_get_expiry_time(this.ptr);
 108                 Reference.reachabilityFence(this);
 109                 if (ret >= 0 && ret <= 4096) { return null; }
 110                 org.ldk.structs.Option_u64Z ret_hu_conv = org.ldk.structs.Option_u64Z.constr_from_ptr(ret);
 111                 ret_hu_conv.ptrs_to.add(this);
 112                 return ret_hu_conv;
 113         }
 114
 115         /**
 116          * Expiration of a payment to the payee, in seconds relative to the UNIX epoch.
 117          */
 118         public void set_expiry_time(Option_u64Z val) {
 119                 bindings.PaymentParameters_set_expiry_time(this.ptr, val.ptr);
 120                 Reference.reachabilityFence(this);
 121                 Reference.reachabilityFence(val);
 122         }
 123
 124         /**
 125          * The maximum total CLTV delta we accept for the route.
 126          * Defaults to [`DEFAULT_MAX_TOTAL_CLTV_EXPIRY_DELTA`].
 127          */
 128         public int get_max_total_cltv_expiry_delta() {
 129                 int ret = bindings.PaymentParameters_get_max_total_cltv_expiry_delta(this.ptr);
 130                 Reference.reachabilityFence(this);
 131                 return ret;
 132         }
 133
 134         /**
 135          * The maximum total CLTV delta we accept for the route.
 136          * Defaults to [`DEFAULT_MAX_TOTAL_CLTV_EXPIRY_DELTA`].
 137          */
 138         public void set_max_total_cltv_expiry_delta(int val) {
 139                 bindings.PaymentParameters_set_max_total_cltv_expiry_delta(this.ptr, val);
 140                 Reference.reachabilityFence(this);
 141                 Reference.reachabilityFence(val);
 142         }
 143
 144         /**
 145          * The maximum number of paths that may be used by (MPP) payments.
 146          * Defaults to [`DEFAULT_MAX_PATH_COUNT`].
 147          */
 148         public byte get_max_path_count() {
 149                 byte ret = bindings.PaymentParameters_get_max_path_count(this.ptr);
 150                 Reference.reachabilityFence(this);
 151                 return ret;
 152         }
 153
 154         /**
 155          * The maximum number of paths that may be used by (MPP) payments.
 156          * Defaults to [`DEFAULT_MAX_PATH_COUNT`].
 157          */
 158         public void set_max_path_count(byte val) {
 159                 bindings.PaymentParameters_set_max_path_count(this.ptr, val);
 160                 Reference.reachabilityFence(this);
 161                 Reference.reachabilityFence(val);
 162         }
 163
 164         /**
 165          * Selects the maximum share of a channel's total capacity which will be sent over a channel,
 166          * as a power of 1/2. A higher value prefers to send the payment using more MPP parts whereas
 167          * a lower value prefers to send larger MPP parts, potentially saturating channels and
 168          * increasing failure probability for those paths.
 169          *
 170          * Note that this restriction will be relaxed during pathfinding after paths which meet this
 171          * restriction have been found. While paths which meet this criteria will be searched for, it
 172          * is ultimately up to the scorer to select them over other paths.
 173          *
 174          * A value of 0 will allow payments up to and including a channel's total announced usable
 175          * capacity, a value of one will only use up to half its capacity, two 1/4, etc.
 176          *
 177          * Default value: 2
 178          */
 179         public byte get_max_channel_saturation_power_of_half() {
 180                 byte ret = bindings.PaymentParameters_get_max_channel_saturation_power_of_half(this.ptr);
 181                 Reference.reachabilityFence(this);
 182                 return ret;
 183         }
 184
 185         /**
 186          * Selects the maximum share of a channel's total capacity which will be sent over a channel,
 187          * as a power of 1/2. A higher value prefers to send the payment using more MPP parts whereas
 188          * a lower value prefers to send larger MPP parts, potentially saturating channels and
 189          * increasing failure probability for those paths.
 190          *
 191          * Note that this restriction will be relaxed during pathfinding after paths which meet this
 192          * restriction have been found. While paths which meet this criteria will be searched for, it
 193          * is ultimately up to the scorer to select them over other paths.
 194          *
 195          * A value of 0 will allow payments up to and including a channel's total announced usable
 196          * capacity, a value of one will only use up to half its capacity, two 1/4, etc.
 197          *
 198          * Default value: 2
 199          */
 200         public void set_max_channel_saturation_power_of_half(byte val) {
 201                 bindings.PaymentParameters_set_max_channel_saturation_power_of_half(this.ptr, val);
 202                 Reference.reachabilityFence(this);
 203                 Reference.reachabilityFence(val);
 204         }
 205
 206         /**
 207          * A list of SCIDs which this payment was previously attempted over and which caused the
 208          * payment to fail. Future attempts for the same payment shouldn't be relayed through any of
 209          * these SCIDs.
 210          */
 211         public void set_previously_failed_channels(long[] val) {
 212                 bindings.PaymentParameters_set_previously_failed_channels(this.ptr, val);
 213                 Reference.reachabilityFence(this);
 214                 Reference.reachabilityFence(val);
 215         }
 216
 217         /**
 218          * Constructs a new PaymentParameters given each field
 219          */
 220         public static PaymentParameters of(byte[] payee_pubkey_arg, InvoiceFeatures features_arg, RouteHint[] route_hints_arg, Option_u64Z expiry_time_arg, int max_total_cltv_expiry_delta_arg, byte max_path_count_arg, byte max_channel_saturation_power_of_half_arg, long[] previously_failed_channels_arg) {
 221                 long ret = bindings.PaymentParameters_new(InternalUtils.check_arr_len(payee_pubkey_arg, 33), features_arg == null ? 0 : features_arg.ptr & ~1, route_hints_arg != null ? Arrays.stream(route_hints_arg).mapToLong(route_hints_arg_conv_11 -> route_hints_arg_conv_11 == null ? 0 : route_hints_arg_conv_11.ptr & ~1).toArray() : null, expiry_time_arg.ptr, max_total_cltv_expiry_delta_arg, max_path_count_arg, max_channel_saturation_power_of_half_arg, previously_failed_channels_arg);
 222                 Reference.reachabilityFence(payee_pubkey_arg);
 223                 Reference.reachabilityFence(features_arg);
 224                 Reference.reachabilityFence(route_hints_arg);
 225                 Reference.reachabilityFence(expiry_time_arg);
 226                 Reference.reachabilityFence(max_total_cltv_expiry_delta_arg);
 227                 Reference.reachabilityFence(max_path_count_arg);
 228                 Reference.reachabilityFence(max_channel_saturation_power_of_half_arg);
 229                 Reference.reachabilityFence(previously_failed_channels_arg);
 230                 if (ret >= 0 && ret <= 4096) { return null; }
 231                 org.ldk.structs.PaymentParameters ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.PaymentParameters(null, ret); }
 232                 ret_hu_conv.ptrs_to.add(ret_hu_conv);
 233                 return ret_hu_conv;
 234         }
 235
 236         long clone_ptr() {
 237                 long ret = bindings.PaymentParameters_clone_ptr(this.ptr);
 238                 Reference.reachabilityFence(this);
 239                 return ret;
 240         }
 241
 242         /**
 243          * Creates a copy of the PaymentParameters
 244          */
 245         public PaymentParameters clone() {
 246                 long ret = bindings.PaymentParameters_clone(this.ptr);
 247                 Reference.reachabilityFence(this);
 248                 if (ret >= 0 && ret <= 4096) { return null; }
 249                 org.ldk.structs.PaymentParameters ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.PaymentParameters(null, ret); }
 250                 ret_hu_conv.ptrs_to.add(this);
 251                 return ret_hu_conv;
 252         }
 253
 254         /**
 255          * Checks if two PaymentParameterss contain equal inner contents.
 256          */
 257         public long hash() {
 258                 long ret = bindings.PaymentParameters_hash(this.ptr);
 259                 Reference.reachabilityFence(this);
 260                 return ret;
 261         }
 262
 263         @Override public int hashCode() {
 264                 return (int)this.hash();
 265         }
 266         /**
 267          * Checks if two PaymentParameterss contain equal inner contents.
 268          * This ignores pointers and is_owned flags and looks at the values in fields.
 269          * Two objects with NULL inner values will be considered "equal" here.
 270          */
 271         public boolean eq(PaymentParameters b) {
 272                 boolean ret = bindings.PaymentParameters_eq(this.ptr, b == null ? 0 : b.ptr & ~1);
 273                 Reference.reachabilityFence(this);
 274                 Reference.reachabilityFence(b);
 275                 this.ptrs_to.add(b);
 276                 return ret;
 277         }
 278
 279         @Override public boolean equals(Object o) {
 280                 if (!(o instanceof PaymentParameters)) return false;
 281                 return this.eq((PaymentParameters)o);
 282         }
 283         /**
 284          * Serialize the PaymentParameters object into a byte array which can be read by PaymentParameters_read
 285          */
 286         public byte[] write() {
 287                 byte[] ret = bindings.PaymentParameters_write(this.ptr);
 288                 Reference.reachabilityFence(this);
 289                 return ret;
 290         }
 291
 292         /**
 293          * Read a PaymentParameters from a byte array, created by PaymentParameters_write
 294          */
 295         public static Result_PaymentParametersDecodeErrorZ read(byte[] ser) {
 296                 long ret = bindings.PaymentParameters_read(ser);
 297                 Reference.reachabilityFence(ser);
 298                 if (ret >= 0 && ret <= 4096) { return null; }
 299                 Result_PaymentParametersDecodeErrorZ ret_hu_conv = Result_PaymentParametersDecodeErrorZ.constr_from_ptr(ret);
 300                 return ret_hu_conv;
 301         }
 302
 303         /**
 304          * Creates a payee with the node id of the given `pubkey`.
 305          */
 306         public static PaymentParameters from_node_id(byte[] payee_pubkey) {
 307                 long ret = bindings.PaymentParameters_from_node_id(InternalUtils.check_arr_len(payee_pubkey, 33));
 308                 Reference.reachabilityFence(payee_pubkey);
 309                 if (ret >= 0 && ret <= 4096) { return null; }
 310                 org.ldk.structs.PaymentParameters ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.PaymentParameters(null, ret); }
 311                 ret_hu_conv.ptrs_to.add(ret_hu_conv);
 312                 return ret_hu_conv;
 313         }
 314
 315         /**
 316          * Creates a payee with the node id of the given `pubkey` to use for keysend payments.
 317          */
 318         public static PaymentParameters for_keysend(byte[] payee_pubkey) {
 319                 long ret = bindings.PaymentParameters_for_keysend(InternalUtils.check_arr_len(payee_pubkey, 33));
 320                 Reference.reachabilityFence(payee_pubkey);
 321                 if (ret >= 0 && ret <= 4096) { return null; }
 322                 org.ldk.structs.PaymentParameters ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.PaymentParameters(null, ret); }
 323                 ret_hu_conv.ptrs_to.add(ret_hu_conv);
 324                 return ret_hu_conv;
 325         }
 326
 327 }