--- /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;
+
+
+/**
+ * The revocation key is used to allow a channel party to revoke their state - giving their
+ * counterparty the required material to claim all of their funds if they broadcast that state.
+ *
+ * Each commitment transaction has a revocation key based on the basepoint and
+ * per_commitment_point which is used in both commitment and HTLC transactions.
+ *
+ * See [the BOLT spec for derivation details]
+ * (https://github.com/lightning/bolts/blob/master/03-transactions.md#revocationpubkey-derivation)
+ */
+@SuppressWarnings("unchecked") // We correctly assign various generic arrays
+public class RevocationKey extends CommonBase {
+ RevocationKey(Object _dummy, long ptr) { super(ptr); }
+ @Override @SuppressWarnings("deprecation")
+ protected void finalize() throws Throwable {
+ super.finalize();
+ if (ptr != 0) { bindings.RevocationKey_free(ptr); }
+ }
+
+ public byte[] get_a() {
+ byte[] ret = bindings.RevocationKey_get_a(this.ptr);
+ Reference.reachabilityFence(this);
+ return ret;
+ }
+
+ public void set_a(byte[] val) {
+ bindings.RevocationKey_set_a(this.ptr, InternalUtils.check_arr_len(val, 33));
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(val);
+ }
+
+ /**
+ * Constructs a new RevocationKey given each field
+ */
+ public static RevocationKey of(byte[] a_arg) {
+ long ret = bindings.RevocationKey_new(InternalUtils.check_arr_len(a_arg, 33));
+ Reference.reachabilityFence(a_arg);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.RevocationKey ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.RevocationKey(null, ret); }
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Checks if two RevocationKeys 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.RevocationKey b) {
+ boolean ret = bindings.RevocationKey_eq(this.ptr, b == null ? 0 : 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 RevocationKey)) return false;
+ return this.eq((RevocationKey)o);
+ }
+ long clone_ptr() {
+ long ret = bindings.RevocationKey_clone_ptr(this.ptr);
+ Reference.reachabilityFence(this);
+ return ret;
+ }
+
+ /**
+ * Creates a copy of the RevocationKey
+ */
+ public RevocationKey clone() {
+ long ret = bindings.RevocationKey_clone(this.ptr);
+ Reference.reachabilityFence(this);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.RevocationKey ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.RevocationKey(null, ret); }
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Generates a non-cryptographic 64-bit hash of the RevocationKey.
+ */
+ public long hash() {
+ long ret = bindings.RevocationKey_hash(this.ptr);
+ Reference.reachabilityFence(this);
+ return ret;
+ }
+
+ @Override public int hashCode() {
+ return (int)this.hash();
+ }
+ /**
+ * Derives a per-commitment-transaction revocation public key from one party's per-commitment
+ * point and the other party's [`RevocationBasepoint`]. This is the public equivalent of
+ * [`chan_utils::derive_private_revocation_key`] - using only public keys to derive a public
+ * key instead of private keys.
+ *
+ * Note that this is infallible iff we trust that at least one of the two input keys are randomly
+ * generated (ie our own).
+ *
+ * [`chan_utils::derive_private_revocation_key`]: crate::ln::chan_utils::derive_private_revocation_key
+ */
+ public static RevocationKey from_basepoint(org.ldk.structs.RevocationBasepoint countersignatory_basepoint, byte[] per_commitment_point) {
+ long ret = bindings.RevocationKey_from_basepoint(countersignatory_basepoint == null ? 0 : countersignatory_basepoint.ptr, InternalUtils.check_arr_len(per_commitment_point, 33));
+ Reference.reachabilityFence(countersignatory_basepoint);
+ Reference.reachabilityFence(per_commitment_point);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.RevocationKey ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.RevocationKey(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(countersignatory_basepoint); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Get inner Public Key
+ */
+ public byte[] to_public_key() {
+ byte[] ret = bindings.RevocationKey_to_public_key(this.ptr);
+ Reference.reachabilityFence(this);
+ return ret;
+ }
+
+ /**
+ * Serialize the RevocationKey object into a byte array which can be read by RevocationKey_read
+ */
+ public byte[] write() {
+ byte[] ret = bindings.RevocationKey_write(this.ptr);
+ Reference.reachabilityFence(this);
+ return ret;
+ }
+
+ /**
+ * Read a RevocationKey from a byte array, created by RevocationKey_write
+ */
+ public static Result_RevocationKeyDecodeErrorZ read(byte[] ser) {
+ long ret = bindings.RevocationKey_read(ser);
+ Reference.reachabilityFence(ser);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ Result_RevocationKeyDecodeErrorZ ret_hu_conv = Result_RevocationKeyDecodeErrorZ.constr_from_ptr(ret);
+ return ret_hu_conv;
+ }
+
+}
projects / ldk-java / blobdiff