_ Git - ldk-java/blob - src/main/java/org/ldk/structs/FeeEstimator.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 which should be implemented to provide feerate information on a number of time
  11  * horizons.
  12  *
  13  * Note that all of the functions implemented here *must* be reentrant-safe (obviously - they're
  14  * called from inside the library in response to chain events, P2P events, or timer events).
  15  */
  16 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
  17 public class FeeEstimator extends CommonBase {
  18         final bindings.LDKFeeEstimator bindings_instance;
  19         FeeEstimator(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }
  20         private FeeEstimator(bindings.LDKFeeEstimator arg) {
  21                 super(bindings.LDKFeeEstimator_new(arg));
  22                 this.ptrs_to.add(arg);
  23                 this.bindings_instance = arg;
  24         }
  25         @Override @SuppressWarnings("deprecation")
  26         protected void finalize() throws Throwable {
  27                 if (ptr != 0) { bindings.FeeEstimator_free(ptr); } super.finalize();
  28         }
  29
  30         public static interface FeeEstimatorInterface {
  31                 /**
  32                  * Gets estimated satoshis of fee required per 1000 Weight-Units.
  33                  *
  34                  * Must be no smaller than 253 (ie 1 satoshi-per-byte rounded up to ensure later round-downs
  35                  * don't put us below 1 satoshi-per-byte).
  36                  *
  37                  * This translates to:
  38                  * satoshis-per-byte * 250
  39                  * ceil(satoshis-per-kbyte / 4)
  40                  */
  41                 int get_est_sat_per_1000_weight(ConfirmationTarget confirmation_target);
  42         }
  43         private static class LDKFeeEstimatorHolder { FeeEstimator held; }
  44         public static FeeEstimator new_impl(FeeEstimatorInterface arg) {
  45                 final LDKFeeEstimatorHolder impl_holder = new LDKFeeEstimatorHolder();
  46                 impl_holder.held = new FeeEstimator(new bindings.LDKFeeEstimator() {
  47                         @Override public int get_est_sat_per_1000_weight(ConfirmationTarget confirmation_target) {
  48                                 int ret = arg.get_est_sat_per_1000_weight(confirmation_target);
  49                                 return ret;
  50                         }
  51                 });
  52                 return impl_holder.held;
  53         }
  54         /**
  55          * Gets estimated satoshis of fee required per 1000 Weight-Units.
  56          *
  57          * Must be no smaller than 253 (ie 1 satoshi-per-byte rounded up to ensure later round-downs
  58          * don't put us below 1 satoshi-per-byte).
  59          *
  60          * This translates to:
  61          * satoshis-per-byte * 250
  62          * ceil(satoshis-per-kbyte / 4)
  63          */
  64         public int get_est_sat_per_1000_weight(org.ldk.enums.ConfirmationTarget confirmation_target) {
  65                 int ret = bindings.FeeEstimator_get_est_sat_per_1000_weight(this.ptr, confirmation_target);
  66                 return ret;
  67         }
  68
  69 }