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LDK Java Bindings and Release Binaries
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;
/**
* The `UtxoLookup` trait defines behavior for accessing on-chain UTXOs.
*/
@SuppressWarnings("unchecked") // We correctly assign various generic arrays
public class UtxoLookup extends CommonBase {
final bindings.LDKUtxoLookup bindings_instance;
UtxoLookup(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }
private UtxoLookup(bindings.LDKUtxoLookup arg) {
super(bindings.LDKUtxoLookup_new(arg));
this.ptrs_to.add(arg);
this.bindings_instance = arg;
}
@Override @SuppressWarnings("deprecation")
protected void finalize() throws Throwable {
if (ptr != 0) { bindings.UtxoLookup_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.UtxoLookup_free(ptr); }
ptr = 0;
}
public static interface UtxoLookupInterface {
/**
* Returns the transaction output of a funding transaction encoded by [`short_channel_id`].
* Returns an error if `chain_hash` is for a different chain or if such a transaction output is
* unknown.
*
* [`short_channel_id`]: https://github.com/lightning/bolts/blob/master/07-routing-gossip.md#definition-of-short_channel_id
*/
UtxoResult get_utxo(byte[] chain_hash, long short_channel_id);
}
private static class LDKUtxoLookupHolder { UtxoLookup held; }
public static UtxoLookup new_impl(UtxoLookupInterface arg) {
final LDKUtxoLookupHolder impl_holder = new LDKUtxoLookupHolder();
impl_holder.held = new UtxoLookup(new bindings.LDKUtxoLookup() {
@Override public long get_utxo(byte[] chain_hash, long short_channel_id) {
UtxoResult ret = arg.get_utxo(chain_hash, short_channel_id);
Reference.reachabilityFence(arg);
long result = ret == null ? 0 : ret.clone_ptr();
if (impl_holder.held != null) { impl_holder.held.ptrs_to.add(ret); };
return result;
}
});
return impl_holder.held;
}
/**
* Returns the transaction output of a funding transaction encoded by [`short_channel_id`].
* Returns an error if `chain_hash` is for a different chain or if such a transaction output is
* unknown.
*
* [`short_channel_id`]: https://github.com/lightning/bolts/blob/master/07-routing-gossip.md#definition-of-short_channel_id
*/
public UtxoResult get_utxo(byte[] chain_hash, long short_channel_id) {
long ret = bindings.UtxoLookup_get_utxo(this.ptr, InternalUtils.check_arr_len(chain_hash, 32), short_channel_id);
Reference.reachabilityFence(this);
Reference.reachabilityFence(chain_hash);
Reference.reachabilityFence(short_channel_id);
if (ret >= 0 && ret <= 4096) { return null; }
org.ldk.structs.UtxoResult ret_hu_conv = org.ldk.structs.UtxoResult.constr_from_ptr(ret);
if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
return ret_hu_conv;
}
}