--- /dev/null
+package org.ldk.structs;
+
+import org.ldk.impl.bindings;
+import org.ldk.enums.*;
+import org.ldk.util.*;
+import java.util.Arrays;
+import java.lang.ref.Reference;
+import javax.annotation.Nullable;
+
+/**
+ * A trait that describes a wallet capable of creating a spending [`Transaction`] from a set of
+ * [`SpendableOutputDescriptor`]s.
+ */
+@SuppressWarnings("unchecked") // We correctly assign various generic arrays
+public class OutputSpender extends CommonBase {
+ final bindings.LDKOutputSpender bindings_instance;
+ OutputSpender(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }
+ private OutputSpender(bindings.LDKOutputSpender arg) {
+ super(bindings.LDKOutputSpender_new(arg));
+ this.ptrs_to.add(arg);
+ this.bindings_instance = arg;
+ }
+ @Override @SuppressWarnings("deprecation")
+ protected void finalize() throws Throwable {
+ if (ptr != 0) { bindings.OutputSpender_free(ptr); } super.finalize();
+ }
+ /**
+ * Destroys the object, freeing associated resources. After this call, any access
+ * to this object may result in a SEGFAULT or worse.
+ *
+ * You should generally NEVER call this method. You should let the garbage collector
+ * do this for you when it finalizes objects. However, it may be useful for types
+ * which represent locks and should be closed immediately to avoid holding locks
+ * until the GC runs.
+ */
+ public void destroy() {
+ if (ptr != 0) { bindings.OutputSpender_free(ptr); }
+ ptr = 0;
+ }
+ public static interface OutputSpenderInterface {
+ /**
+ * Creates a [`Transaction`] which spends the given descriptors to the given outputs, plus an
+ * output to the given change destination (if sufficient change value remains). The
+ * transaction will have a feerate, at least, of the given value.
+ *
+ * The `locktime` argument is used to set the transaction's locktime. If `None`, the
+ * transaction will have a locktime of 0. It it recommended to set this to the current block
+ * height to avoid fee sniping, unless you have some specific reason to use a different
+ * locktime.
+ *
+ * Returns `Err(())` if the output value is greater than the input value minus required fee,
+ * if a descriptor was duplicated, or if an output descriptor `script_pubkey`
+ * does not match the one we can spend.
+ */
+ Result_TransactionNoneZ spend_spendable_outputs(SpendableOutputDescriptor[] descriptors, TxOut[] outputs, byte[] change_destination_script, int feerate_sat_per_1000_weight, Option_u32Z locktime);
+ }
+ private static class LDKOutputSpenderHolder { OutputSpender held; }
+ public static OutputSpender new_impl(OutputSpenderInterface arg) {
+ final LDKOutputSpenderHolder impl_holder = new LDKOutputSpenderHolder();
+ impl_holder.held = new OutputSpender(new bindings.LDKOutputSpender() {
+ @Override public long spend_spendable_outputs(long[] descriptors, long[] outputs, byte[] change_destination_script, int feerate_sat_per_1000_weight, long locktime) {
+ int descriptors_conv_27_len = descriptors.length;
+ SpendableOutputDescriptor[] descriptors_conv_27_arr = new SpendableOutputDescriptor[descriptors_conv_27_len];
+ for (int b = 0; b < descriptors_conv_27_len; b++) {
+ long descriptors_conv_27 = descriptors[b];
+ org.ldk.structs.SpendableOutputDescriptor descriptors_conv_27_hu_conv = org.ldk.structs.SpendableOutputDescriptor.constr_from_ptr(descriptors_conv_27);
+ if (descriptors_conv_27_hu_conv != null) { descriptors_conv_27_hu_conv.ptrs_to.add(this); };
+ descriptors_conv_27_arr[b] = descriptors_conv_27_hu_conv;
+ }
+ int outputs_conv_7_len = outputs.length;
+ TxOut[] outputs_conv_7_arr = new TxOut[outputs_conv_7_len];
+ for (int h = 0; h < outputs_conv_7_len; h++) {
+ long outputs_conv_7 = outputs[h];
+ TxOut outputs_conv_7_conv = new TxOut(null, outputs_conv_7);
+ outputs_conv_7_arr[h] = outputs_conv_7_conv;
+ }
+ org.ldk.structs.Option_u32Z locktime_hu_conv = org.ldk.structs.Option_u32Z.constr_from_ptr(locktime);
+ if (locktime_hu_conv != null) { locktime_hu_conv.ptrs_to.add(this); };
+ Result_TransactionNoneZ ret = arg.spend_spendable_outputs(descriptors_conv_27_arr, outputs_conv_7_arr, change_destination_script, feerate_sat_per_1000_weight, locktime_hu_conv);
+ Reference.reachabilityFence(arg);
+ long result = ret.clone_ptr();
+ return result;
+ }
+ });
+ return impl_holder.held;
+ }
+ /**
+ * Creates a [`Transaction`] which spends the given descriptors to the given outputs, plus an
+ * output to the given change destination (if sufficient change value remains). The
+ * transaction will have a feerate, at least, of the given value.
+ *
+ * The `locktime` argument is used to set the transaction's locktime. If `None`, the
+ * transaction will have a locktime of 0. It it recommended to set this to the current block
+ * height to avoid fee sniping, unless you have some specific reason to use a different
+ * locktime.
+ *
+ * Returns `Err(())` if the output value is greater than the input value minus required fee,
+ * if a descriptor was duplicated, or if an output descriptor `script_pubkey`
+ * does not match the one we can spend.
+ */
+ public Result_TransactionNoneZ spend_spendable_outputs(SpendableOutputDescriptor[] descriptors, TxOut[] outputs, byte[] change_destination_script, int feerate_sat_per_1000_weight, org.ldk.structs.Option_u32Z locktime) {
+ long ret = bindings.OutputSpender_spend_spendable_outputs(this.ptr, descriptors != null ? Arrays.stream(descriptors).mapToLong(descriptors_conv_27 -> descriptors_conv_27.ptr).toArray() : null, outputs != null ? Arrays.stream(outputs).mapToLong(outputs_conv_7 -> outputs_conv_7.ptr).toArray() : null, change_destination_script, feerate_sat_per_1000_weight, locktime.ptr);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(descriptors);
+ Reference.reachabilityFence(outputs);
+ Reference.reachabilityFence(change_destination_script);
+ Reference.reachabilityFence(feerate_sat_per_1000_weight);
+ Reference.reachabilityFence(locktime);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ Result_TransactionNoneZ ret_hu_conv = Result_TransactionNoneZ.constr_from_ptr(ret);
+ for (SpendableOutputDescriptor descriptors_conv_27: descriptors) { if (this != null) { this.ptrs_to.add(descriptors_conv_27); }; };
+ if (this != null) { this.ptrs_to.add(locktime); };
+ return ret_hu_conv;
+ }
+
+}
projects / ldk-java / blobdiff