Update auto-updated Java files
[ldk-java] / src / main / java / org / ldk / structs / TxCreationKeys.java
index 0e2cc4ae0f11ac4e8440502f20a7338a99af1236..f1e78509b50369e4ec0709e8d30312492699799f 100644 (file)
@@ -2,83 +2,212 @@ 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 set of public keys which are used in the creation of one commitment transaction.
+ * These are derived from the channel base keys and per-commitment data.
+ * 
+ * A broadcaster key is provided from potential broadcaster of the computed transaction.
+ * A countersignatory key is coming from a protocol participant unable to broadcast the
+ * transaction.
+ * 
+ * These keys are assumed to be good, either because the code derived them from
+ * channel basepoints via the new function, or they were obtained via
+ * CommitmentTransaction.trust().keys() because we trusted the source of the
+ * pre-calculated keys.
+ */
+@SuppressWarnings("unchecked") // We correctly assign various generic arrays
 public class TxCreationKeys extends CommonBase {
        TxCreationKeys(Object _dummy, long ptr) { super(ptr); }
        @Override @SuppressWarnings("deprecation")
        protected void finalize() throws Throwable {
                super.finalize();
-               bindings.TxCreationKeys_free(ptr);
+               if (ptr != 0) { bindings.TxCreationKeys_free(ptr); }
+       }
+
+       /**
+        * The broadcaster's per-commitment public key which was used to derive the other keys.
+        */
+       public byte[] get_per_commitment_point() {
+               byte[] ret = bindings.TxCreationKeys_get_per_commitment_point(this.ptr);
+               Reference.reachabilityFence(this);
+               return ret;
        }
 
-       public TxCreationKeys(TxCreationKeys orig) {
-               super(bindings.TxCreationKeys_clone(orig == null ? 0 : orig.ptr & ~1));
-               this.ptrs_to.add(orig);
+       /**
+        * The broadcaster's per-commitment public key which was used to derive the other keys.
+        */
+       public void set_per_commitment_point(byte[] val) {
+               bindings.TxCreationKeys_set_per_commitment_point(this.ptr, InternalUtils.check_arr_len(val, 33));
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(val);
        }
 
-       public byte[] get_per_commitment_point(TxCreationKeys this_ptr) {
-               byte[] ret = bindings.TxCreationKeys_get_per_commitment_point(this_ptr == null ? 0 : this_ptr.ptr & ~1);
-               this.ptrs_to.add(this_ptr);
+       /**
+        * The revocation key which is used to allow the broadcaster of the commitment
+        * transaction to provide their counterparty the ability to punish them if they broadcast
+        * an old state.
+        */
+       public byte[] get_revocation_key() {
+               byte[] ret = bindings.TxCreationKeys_get_revocation_key(this.ptr);
+               Reference.reachabilityFence(this);
                return ret;
        }
 
-       public void set_per_commitment_point(TxCreationKeys this_ptr, byte[] val) {
-               bindings.TxCreationKeys_set_per_commitment_point(this_ptr == null ? 0 : this_ptr.ptr & ~1, val);
-               this.ptrs_to.add(this_ptr);
+       /**
+        * The revocation key which is used to allow the broadcaster of the commitment
+        * transaction to provide their counterparty the ability to punish them if they broadcast
+        * an old state.
+        */
+       public void set_revocation_key(byte[] val) {
+               bindings.TxCreationKeys_set_revocation_key(this.ptr, InternalUtils.check_arr_len(val, 33));
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(val);
        }
 
-       public byte[] get_revocation_key(TxCreationKeys this_ptr) {
-               byte[] ret = bindings.TxCreationKeys_get_revocation_key(this_ptr == null ? 0 : this_ptr.ptr & ~1);
-               this.ptrs_to.add(this_ptr);
+       /**
+        * Broadcaster's HTLC Key
+        */
+       public byte[] get_broadcaster_htlc_key() {
+               byte[] ret = bindings.TxCreationKeys_get_broadcaster_htlc_key(this.ptr);
+               Reference.reachabilityFence(this);
                return ret;
        }
 
-       public void set_revocation_key(TxCreationKeys this_ptr, byte[] val) {
-               bindings.TxCreationKeys_set_revocation_key(this_ptr == null ? 0 : this_ptr.ptr & ~1, val);
-               this.ptrs_to.add(this_ptr);
+       /**
+        * Broadcaster's HTLC Key
+        */
+       public void set_broadcaster_htlc_key(byte[] val) {
+               bindings.TxCreationKeys_set_broadcaster_htlc_key(this.ptr, InternalUtils.check_arr_len(val, 33));
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(val);
        }
 
-       public byte[] get_broadcaster_htlc_key(TxCreationKeys this_ptr) {
-               byte[] ret = bindings.TxCreationKeys_get_broadcaster_htlc_key(this_ptr == null ? 0 : this_ptr.ptr & ~1);
-               this.ptrs_to.add(this_ptr);
+       /**
+        * Countersignatory's HTLC Key
+        */
+       public byte[] get_countersignatory_htlc_key() {
+               byte[] ret = bindings.TxCreationKeys_get_countersignatory_htlc_key(this.ptr);
+               Reference.reachabilityFence(this);
                return ret;
        }
 
-       public void set_broadcaster_htlc_key(TxCreationKeys this_ptr, byte[] val) {
-               bindings.TxCreationKeys_set_broadcaster_htlc_key(this_ptr == null ? 0 : this_ptr.ptr & ~1, val);
-               this.ptrs_to.add(this_ptr);
+       /**
+        * Countersignatory's HTLC Key
+        */
+       public void set_countersignatory_htlc_key(byte[] val) {
+               bindings.TxCreationKeys_set_countersignatory_htlc_key(this.ptr, InternalUtils.check_arr_len(val, 33));
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(val);
+       }
+
+       /**
+        * Broadcaster's Payment Key (which isn't allowed to be spent from for some delay)
+        */
+       public byte[] get_broadcaster_delayed_payment_key() {
+               byte[] ret = bindings.TxCreationKeys_get_broadcaster_delayed_payment_key(this.ptr);
+               Reference.reachabilityFence(this);
+               return ret;
+       }
+
+       /**
+        * Broadcaster's Payment Key (which isn't allowed to be spent from for some delay)
+        */
+       public void set_broadcaster_delayed_payment_key(byte[] val) {
+               bindings.TxCreationKeys_set_broadcaster_delayed_payment_key(this.ptr, InternalUtils.check_arr_len(val, 33));
+               Reference.reachabilityFence(this);
+               Reference.reachabilityFence(val);
+       }
+
+       /**
+        * Constructs a new TxCreationKeys given each field
+        */
+       public static TxCreationKeys of(byte[] per_commitment_point_arg, byte[] revocation_key_arg, byte[] broadcaster_htlc_key_arg, byte[] countersignatory_htlc_key_arg, byte[] broadcaster_delayed_payment_key_arg) {
+               long ret = bindings.TxCreationKeys_new(InternalUtils.check_arr_len(per_commitment_point_arg, 33), InternalUtils.check_arr_len(revocation_key_arg, 33), InternalUtils.check_arr_len(broadcaster_htlc_key_arg, 33), InternalUtils.check_arr_len(countersignatory_htlc_key_arg, 33), InternalUtils.check_arr_len(broadcaster_delayed_payment_key_arg, 33));
+               Reference.reachabilityFence(per_commitment_point_arg);
+               Reference.reachabilityFence(revocation_key_arg);
+               Reference.reachabilityFence(broadcaster_htlc_key_arg);
+               Reference.reachabilityFence(countersignatory_htlc_key_arg);
+               Reference.reachabilityFence(broadcaster_delayed_payment_key_arg);
+               if (ret >= 0 && ret <= 4096) { return null; }
+               TxCreationKeys ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new TxCreationKeys(null, ret); }
+               ret_hu_conv.ptrs_to.add(ret_hu_conv);
+               return ret_hu_conv;
        }
 
-       public byte[] get_countersignatory_htlc_key(TxCreationKeys this_ptr) {
-               byte[] ret = bindings.TxCreationKeys_get_countersignatory_htlc_key(this_ptr == null ? 0 : this_ptr.ptr & ~1);
-               this.ptrs_to.add(this_ptr);
+       long clone_ptr() {
+               long ret = bindings.TxCreationKeys_clone_ptr(this.ptr);
+               Reference.reachabilityFence(this);
                return ret;
        }
 
-       public void set_countersignatory_htlc_key(TxCreationKeys this_ptr, byte[] val) {
-               bindings.TxCreationKeys_set_countersignatory_htlc_key(this_ptr == null ? 0 : this_ptr.ptr & ~1, val);
-               this.ptrs_to.add(this_ptr);
+       /**
+        * Creates a copy of the TxCreationKeys
+        */
+       public TxCreationKeys clone() {
+               long ret = bindings.TxCreationKeys_clone(this.ptr);
+               Reference.reachabilityFence(this);
+               if (ret >= 0 && ret <= 4096) { return null; }
+               TxCreationKeys ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new TxCreationKeys(null, ret); }
+               ret_hu_conv.ptrs_to.add(this);
+               return ret_hu_conv;
        }
 
-       public byte[] get_broadcaster_delayed_payment_key(TxCreationKeys this_ptr) {
-               byte[] ret = bindings.TxCreationKeys_get_broadcaster_delayed_payment_key(this_ptr == null ? 0 : this_ptr.ptr & ~1);
-               this.ptrs_to.add(this_ptr);
+       /**
+        * Serialize the TxCreationKeys object into a byte array which can be read by TxCreationKeys_read
+        */
+       public byte[] write() {
+               byte[] ret = bindings.TxCreationKeys_write(this.ptr);
+               Reference.reachabilityFence(this);
                return ret;
        }
 
-       public void set_broadcaster_delayed_payment_key(TxCreationKeys this_ptr, byte[] val) {
-               bindings.TxCreationKeys_set_broadcaster_delayed_payment_key(this_ptr == null ? 0 : this_ptr.ptr & ~1, val);
-               this.ptrs_to.add(this_ptr);
+       /**
+        * Read a TxCreationKeys from a byte array, created by TxCreationKeys_write
+        */
+       public static Result_TxCreationKeysDecodeErrorZ read(byte[] ser) {
+               long ret = bindings.TxCreationKeys_read(ser);
+               Reference.reachabilityFence(ser);
+               if (ret >= 0 && ret <= 4096) { return null; }
+               Result_TxCreationKeysDecodeErrorZ ret_hu_conv = Result_TxCreationKeysDecodeErrorZ.constr_from_ptr(ret);
+               return ret_hu_conv;
        }
 
-       public TxCreationKeys(byte[] per_commitment_point_arg, byte[] revocation_key_arg, byte[] broadcaster_htlc_key_arg, byte[] countersignatory_htlc_key_arg, byte[] broadcaster_delayed_payment_key_arg) {
-               super(bindings.TxCreationKeys_new(per_commitment_point_arg, revocation_key_arg, broadcaster_htlc_key_arg, countersignatory_htlc_key_arg, broadcaster_delayed_payment_key_arg));
+       /**
+        * Create per-state keys from channel base points and the per-commitment point.
+        * Key set is asymmetric and can't be used as part of counter-signatory set of transactions.
+        */
+       public static Result_TxCreationKeysErrorZ derive_new(byte[] per_commitment_point, byte[] broadcaster_delayed_payment_base, byte[] broadcaster_htlc_base, byte[] countersignatory_revocation_base, byte[] countersignatory_htlc_base) {
+               long ret = bindings.TxCreationKeys_derive_new(InternalUtils.check_arr_len(per_commitment_point, 33), InternalUtils.check_arr_len(broadcaster_delayed_payment_base, 33), InternalUtils.check_arr_len(broadcaster_htlc_base, 33), InternalUtils.check_arr_len(countersignatory_revocation_base, 33), InternalUtils.check_arr_len(countersignatory_htlc_base, 33));
+               Reference.reachabilityFence(per_commitment_point);
+               Reference.reachabilityFence(broadcaster_delayed_payment_base);
+               Reference.reachabilityFence(broadcaster_htlc_base);
+               Reference.reachabilityFence(countersignatory_revocation_base);
+               Reference.reachabilityFence(countersignatory_htlc_base);
+               if (ret >= 0 && ret <= 4096) { return null; }
+               Result_TxCreationKeysErrorZ ret_hu_conv = Result_TxCreationKeysErrorZ.constr_from_ptr(ret);
+               return ret_hu_conv;
        }
 
-       // Skipped TxCreationKeys_write
-       public TxCreationKeys(byte[] ser) {
-               super(bindings.TxCreationKeys_read(ser));
+       /**
+        * Generate per-state keys from channel static keys.
+        * Key set is asymmetric and can't be used as part of counter-signatory set of transactions.
+        */
+       public static Result_TxCreationKeysErrorZ from_channel_static_keys(byte[] per_commitment_point, ChannelPublicKeys broadcaster_keys, ChannelPublicKeys countersignatory_keys) {
+               long ret = bindings.TxCreationKeys_from_channel_static_keys(InternalUtils.check_arr_len(per_commitment_point, 33), broadcaster_keys == null ? 0 : broadcaster_keys.ptr & ~1, countersignatory_keys == null ? 0 : countersignatory_keys.ptr & ~1);
+               Reference.reachabilityFence(per_commitment_point);
+               Reference.reachabilityFence(broadcaster_keys);
+               Reference.reachabilityFence(countersignatory_keys);
+               if (ret >= 0 && ret <= 4096) { return null; }
+               Result_TxCreationKeysErrorZ ret_hu_conv = Result_TxCreationKeysErrorZ.constr_from_ptr(ret);
+               ret_hu_conv.ptrs_to.add(broadcaster_keys);
+               ret_hu_conv.ptrs_to.add(countersignatory_keys);
+               return ret_hu_conv;
        }
 
-       // Skipped TxCreationKeys_derive_new
 }