--- /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 unique 32-byte identifier for a channel.
+ * Depending on how the ID is generated, several varieties are distinguished
+ * (but all are stored as 32 bytes):
+ * _v1_ and _temporary_.
+ * A _v1_ channel ID is generated based on funding tx outpoint (txid & index).
+ * A _temporary_ ID is generated randomly.
+ * (Later revocation-point-based _v2_ is a possibility.)
+ * The variety (context) is not stored, it is relevant only at creation.
+ */
+@SuppressWarnings("unchecked") // We correctly assign various generic arrays
+public class ChannelId extends CommonBase {
+ ChannelId(Object _dummy, long ptr) { super(ptr); }
+ @Override @SuppressWarnings("deprecation")
+ protected void finalize() throws Throwable {
+ super.finalize();
+ if (ptr != 0) { bindings.ChannelId_free(ptr); }
+ }
+
+ public byte[] get_a() {
+ byte[] ret = bindings.ChannelId_get_a(this.ptr);
+ Reference.reachabilityFence(this);
+ return ret;
+ }
+
+ public void set_a(byte[] val) {
+ bindings.ChannelId_set_a(this.ptr, InternalUtils.check_arr_len(val, 32));
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(val);
+ }
+
+ /**
+ * Constructs a new ChannelId given each field
+ */
+ public static ChannelId of(byte[] a_arg) {
+ long ret = bindings.ChannelId_new(InternalUtils.check_arr_len(a_arg, 32));
+ Reference.reachabilityFence(a_arg);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.ChannelId ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ChannelId(null, ret); }
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
+ return ret_hu_conv;
+ }
+
+ long clone_ptr() {
+ long ret = bindings.ChannelId_clone_ptr(this.ptr);
+ Reference.reachabilityFence(this);
+ return ret;
+ }
+
+ /**
+ * Creates a copy of the ChannelId
+ */
+ public ChannelId clone() {
+ long ret = bindings.ChannelId_clone(this.ptr);
+ Reference.reachabilityFence(this);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.ChannelId ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ChannelId(null, ret); }
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Checks if two ChannelIds contain equal inner contents.
+ * This ignores pointers and is_owned flags and looks at the values in fields.
+ * Two objects with NULL inner values will be considered "equal" here.
+ */
+ public boolean eq(org.ldk.structs.ChannelId b) {
+ boolean ret = bindings.ChannelId_eq(this.ptr, b.ptr);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(b);
+ if (this != null) { this.ptrs_to.add(b); };
+ return ret;
+ }
+
+ @Override public boolean equals(Object o) {
+ if (!(o instanceof ChannelId)) return false;
+ return this.eq((ChannelId)o);
+ }
+ /**
+ * Generates a non-cryptographic 64-bit hash of the ChannelId.
+ */
+ public long hash() {
+ long ret = bindings.ChannelId_hash(this.ptr);
+ Reference.reachabilityFence(this);
+ return ret;
+ }
+
+ @Override public int hashCode() {
+ return (int)this.hash();
+ }
+ /**
+ * Create _v1_ channel ID based on a funding TX ID and output index
+ */
+ public static ChannelId v1_from_funding_txid(byte[] txid, short output_index) {
+ long ret = bindings.ChannelId_v1_from_funding_txid(InternalUtils.check_arr_len(txid, 32), output_index);
+ Reference.reachabilityFence(txid);
+ Reference.reachabilityFence(output_index);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.ChannelId ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ChannelId(null, ret); }
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Create _v1_ channel ID from a funding tx outpoint
+ */
+ public static ChannelId v1_from_funding_outpoint(org.ldk.structs.OutPoint outpoint) {
+ long ret = bindings.ChannelId_v1_from_funding_outpoint(outpoint.ptr);
+ Reference.reachabilityFence(outpoint);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.ChannelId ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ChannelId(null, ret); }
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(outpoint); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Create a _temporary_ channel ID randomly, based on an entropy source.
+ */
+ public static ChannelId temporary_from_entropy_source(org.ldk.structs.EntropySource entropy_source) {
+ long ret = bindings.ChannelId_temporary_from_entropy_source(entropy_source.ptr);
+ Reference.reachabilityFence(entropy_source);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.ChannelId ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ChannelId(null, ret); }
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(entropy_source); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Generic constructor; create a new channel ID from the provided data.
+ * Use a more specific `*_from_*` constructor when possible.
+ */
+ public static ChannelId from_bytes(byte[] data) {
+ long ret = bindings.ChannelId_from_bytes(InternalUtils.check_arr_len(data, 32));
+ Reference.reachabilityFence(data);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.ChannelId ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ChannelId(null, ret); }
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Create a channel ID consisting of all-zeros data (e.g. when uninitialized or a placeholder).
+ */
+ public static ChannelId new_zero() {
+ long ret = bindings.ChannelId_new_zero();
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.ChannelId ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ChannelId(null, ret); }
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Check whether ID is consisting of all zeros (uninitialized)
+ */
+ public boolean is_zero() {
+ boolean ret = bindings.ChannelId_is_zero(this.ptr);
+ Reference.reachabilityFence(this);
+ return ret;
+ }
+
+ /**
+ * Create _v2_ channel ID by concatenating the holder revocation basepoint with the counterparty
+ * revocation basepoint and hashing the result. The basepoints will be concatenated in increasing
+ * sorted order.
+ */
+ public static ChannelId v2_from_revocation_basepoints(org.ldk.structs.RevocationBasepoint ours, org.ldk.structs.RevocationBasepoint theirs) {
+ long ret = bindings.ChannelId_v2_from_revocation_basepoints(ours.ptr, theirs.ptr);
+ Reference.reachabilityFence(ours);
+ Reference.reachabilityFence(theirs);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.ChannelId ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ChannelId(null, ret); }
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ours); };
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(theirs); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Create temporary _v2_ channel ID by concatenating a zeroed out basepoint with the holder
+ * revocation basepoint and hashing the result.
+ */
+ public static ChannelId temporary_v2_from_revocation_basepoint(org.ldk.structs.RevocationBasepoint our_revocation_basepoint) {
+ long ret = bindings.ChannelId_temporary_v2_from_revocation_basepoint(our_revocation_basepoint.ptr);
+ Reference.reachabilityFence(our_revocation_basepoint);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.ChannelId ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ChannelId(null, ret); }
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(our_revocation_basepoint); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Serialize the ChannelId object into a byte array which can be read by ChannelId_read
+ */
+ public byte[] write() {
+ byte[] ret = bindings.ChannelId_write(this.ptr);
+ Reference.reachabilityFence(this);
+ return ret;
+ }
+
+ /**
+ * Read a ChannelId from a byte array, created by ChannelId_write
+ */
+ public static Result_ChannelIdDecodeErrorZ read(byte[] ser) {
+ long ret = bindings.ChannelId_read(ser);
+ Reference.reachabilityFence(ser);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ Result_ChannelIdDecodeErrorZ ret_hu_conv = Result_ChannelIdDecodeErrorZ.constr_from_ptr(ret);
+ return ret_hu_conv;
+ }
+
+}
projects / ldk-java / blobdiff