1 package org.ldk.structs;
3 import org.ldk.impl.bindings;
4 import org.ldk.enums.*;
6 import java.util.Arrays;
7 import java.lang.ref.Reference;
8 import javax.annotation.Nullable;
12 * The result of a successful coin selection attempt for a transaction requiring additional UTXOs
15 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
16 public class CoinSelection extends CommonBase {
17 CoinSelection(Object _dummy, long ptr) { super(ptr); }
18 @Override @SuppressWarnings("deprecation")
19 protected void finalize() throws Throwable {
21 if (ptr != 0) { bindings.CoinSelection_free(ptr); }
25 * The set of UTXOs (with at least 1 confirmation) to spend and use within a transaction
26 * requiring additional fees.
28 public Utxo[] get_confirmed_utxos() {
29 long[] ret = bindings.CoinSelection_get_confirmed_utxos(this.ptr);
30 Reference.reachabilityFence(this);
31 int ret_conv_6_len = ret.length;
32 Utxo[] ret_conv_6_arr = new Utxo[ret_conv_6_len];
33 for (int g = 0; g < ret_conv_6_len; g++) {
34 long ret_conv_6 = ret[g];
35 org.ldk.structs.Utxo ret_conv_6_hu_conv = null; if (ret_conv_6 < 0 || ret_conv_6 > 4096) { ret_conv_6_hu_conv = new org.ldk.structs.Utxo(null, ret_conv_6); }
36 if (ret_conv_6_hu_conv != null) { ret_conv_6_hu_conv.ptrs_to.add(this); };
37 ret_conv_6_arr[g] = ret_conv_6_hu_conv;
39 return ret_conv_6_arr;
43 * The set of UTXOs (with at least 1 confirmation) to spend and use within a transaction
44 * requiring additional fees.
46 public void set_confirmed_utxos(Utxo[] val) {
47 bindings.CoinSelection_set_confirmed_utxos(this.ptr, val != null ? Arrays.stream(val).mapToLong(val_conv_6 -> val_conv_6 == null ? 0 : val_conv_6.ptr).toArray() : null);
48 Reference.reachabilityFence(this);
49 Reference.reachabilityFence(val);
50 for (Utxo val_conv_6: val) { if (this != null) { this.ptrs_to.add(val_conv_6); }; };
54 * An additional output tracking whether any change remained after coin selection. This output
55 * should always have a value above dust for its given `script_pubkey`. It should not be
56 * spent until the transaction it belongs to confirms to ensure mempool descendant limits are
57 * not met. This implies no other party should be able to spend it except us.
59 public Option_TxOutZ get_change_output() {
60 long ret = bindings.CoinSelection_get_change_output(this.ptr);
61 Reference.reachabilityFence(this);
62 if (ret >= 0 && ret <= 4096) { return null; }
63 org.ldk.structs.Option_TxOutZ ret_hu_conv = org.ldk.structs.Option_TxOutZ.constr_from_ptr(ret);
64 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
69 * An additional output tracking whether any change remained after coin selection. This output
70 * should always have a value above dust for its given `script_pubkey`. It should not be
71 * spent until the transaction it belongs to confirms to ensure mempool descendant limits are
72 * not met. This implies no other party should be able to spend it except us.
74 public void set_change_output(org.ldk.structs.Option_TxOutZ val) {
75 bindings.CoinSelection_set_change_output(this.ptr, val.ptr);
76 Reference.reachabilityFence(this);
77 Reference.reachabilityFence(val);
78 if (this != null) { this.ptrs_to.add(val); };
82 * Constructs a new CoinSelection given each field
84 public static CoinSelection of(Utxo[] confirmed_utxos_arg, org.ldk.structs.Option_TxOutZ change_output_arg) {
85 long ret = bindings.CoinSelection_new(confirmed_utxos_arg != null ? Arrays.stream(confirmed_utxos_arg).mapToLong(confirmed_utxos_arg_conv_6 -> confirmed_utxos_arg_conv_6 == null ? 0 : confirmed_utxos_arg_conv_6.ptr).toArray() : null, change_output_arg.ptr);
86 Reference.reachabilityFence(confirmed_utxos_arg);
87 Reference.reachabilityFence(change_output_arg);
88 if (ret >= 0 && ret <= 4096) { return null; }
89 org.ldk.structs.CoinSelection ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.CoinSelection(null, ret); }
90 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
91 for (Utxo confirmed_utxos_arg_conv_6: confirmed_utxos_arg) { if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(confirmed_utxos_arg_conv_6); }; };
92 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(change_output_arg); };
97 long ret = bindings.CoinSelection_clone_ptr(this.ptr);
98 Reference.reachabilityFence(this);
103 * Creates a copy of the CoinSelection
105 public CoinSelection clone() {
106 long ret = bindings.CoinSelection_clone(this.ptr);
107 Reference.reachabilityFence(this);
108 if (ret >= 0 && ret <= 4096) { return null; }
109 org.ldk.structs.CoinSelection ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.CoinSelection(null, ret); }
110 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };