--- /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 can handle cryptographic operations at the scope level of a node.
+ */
+@SuppressWarnings("unchecked") // We correctly assign various generic arrays
+public class NodeSigner extends CommonBase {
+ final bindings.LDKNodeSigner bindings_instance;
+ NodeSigner(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }
+ private NodeSigner(bindings.LDKNodeSigner arg) {
+ super(bindings.LDKNodeSigner_new(arg));
+ this.ptrs_to.add(arg);
+ this.bindings_instance = arg;
+ }
+ @Override @SuppressWarnings("deprecation")
+ protected void finalize() throws Throwable {
+ if (ptr != 0) { bindings.NodeSigner_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.NodeSigner_free(ptr); }
+ ptr = 0;
+ }
+ public static interface NodeSignerInterface {
+ /**
+ * Get secret key material as bytes for use in encrypting and decrypting inbound payment data.
+ *
+ * If the implementor of this trait supports [phantom node payments], then every node that is
+ * intended to be included in the phantom invoice route hints must return the same value from
+ * this method.
+ *
+ * This method must return the same value each time it is called.
+ *
+ * [phantom node payments]: PhantomKeysManager
+ */
+ byte[] get_inbound_payment_key_material();
+ /**
+ * Get node id based on the provided [`Recipient`].
+ *
+ * This method must return the same value each time it is called with a given [`Recipient`]
+ * parameter.
+ *
+ * Errors if the [`Recipient`] variant is not supported by the implementation.
+ */
+ Result_PublicKeyNoneZ get_node_id(Recipient recipient);
+ /**
+ * Gets the ECDH shared secret of our node secret and `other_key`, multiplying by `tweak` if
+ * one is provided. Note that this tweak can be applied to `other_key` instead of our node
+ * secret, though this is less efficient.
+ *
+ * Note that if this fails while attempting to forward an HTLC, LDK will panic. The error
+ * should be resolved to allow LDK to resume forwarding HTLCs.
+ *
+ * Errors if the [`Recipient`] variant is not supported by the implementation.
+ */
+ Result_SharedSecretNoneZ ecdh(Recipient recipient, byte[] other_key, Option_ScalarZ tweak);
+ /**
+ * Sign an invoice.
+ *
+ * By parameterizing by the raw invoice bytes instead of the hash, we allow implementors of
+ * this trait to parse the invoice and make sure they're signing what they expect, rather than
+ * blindly signing the hash.
+ *
+ * The `hrp_bytes` are ASCII bytes, while the `invoice_data` is base32.
+ *
+ * The secret key used to sign the invoice is dependent on the [`Recipient`].
+ *
+ * Errors if the [`Recipient`] variant is not supported by the implementation.
+ */
+ Result_RecoverableSignatureNoneZ sign_invoice(byte[] hrp_bytes, UInt5[] invoice_data, Recipient recipient);
+ /**
+ * Sign a gossip message.
+ *
+ * Note that if this fails, LDK may panic and the message will not be broadcast to the network
+ * or a possible channel counterparty. If LDK panics, the error should be resolved to allow the
+ * message to be broadcast, as otherwise it may prevent one from receiving funds over the
+ * corresponding channel.
+ */
+ Result_SignatureNoneZ sign_gossip_message(UnsignedGossipMessage msg);
+ }
+ private static class LDKNodeSignerHolder { NodeSigner held; }
+ public static NodeSigner new_impl(NodeSignerInterface arg) {
+ final LDKNodeSignerHolder impl_holder = new LDKNodeSignerHolder();
+ impl_holder.held = new NodeSigner(new bindings.LDKNodeSigner() {
+ @Override public byte[] get_inbound_payment_key_material() {
+ byte[] ret = arg.get_inbound_payment_key_material();
+ Reference.reachabilityFence(arg);
+ byte[] result = InternalUtils.check_arr_len(ret, 32);
+ return result;
+ }
+ @Override public long get_node_id(Recipient recipient) {
+ Result_PublicKeyNoneZ ret = arg.get_node_id(recipient);
+ Reference.reachabilityFence(arg);
+ long result = ret == null ? 0 : ret.clone_ptr();
+ return result;
+ }
+ @Override public long ecdh(Recipient recipient, byte[] other_key, long tweak) {
+ org.ldk.structs.Option_ScalarZ tweak_hu_conv = org.ldk.structs.Option_ScalarZ.constr_from_ptr(tweak);
+ if (tweak_hu_conv != null) { tweak_hu_conv.ptrs_to.add(this); };
+ Result_SharedSecretNoneZ ret = arg.ecdh(recipient, other_key, tweak_hu_conv);
+ Reference.reachabilityFence(arg);
+ long result = ret == null ? 0 : ret.clone_ptr();
+ return result;
+ }
+ @Override public long sign_invoice(byte[] hrp_bytes, byte[] invoice_data, Recipient recipient) {
+ int invoice_data_conv_7_len = invoice_data.length;
+ UInt5[] invoice_data_conv_7_arr = new UInt5[invoice_data_conv_7_len];
+ for (int h = 0; h < invoice_data_conv_7_len; h++) {
+ byte invoice_data_conv_7 = invoice_data[h];
+ UInt5 invoice_data_conv_7_conv = new UInt5(invoice_data_conv_7);
+ invoice_data_conv_7_arr[h] = invoice_data_conv_7_conv;
+ }
+ Result_RecoverableSignatureNoneZ ret = arg.sign_invoice(hrp_bytes, invoice_data_conv_7_arr, recipient);
+ Reference.reachabilityFence(arg);
+ long result = ret == null ? 0 : ret.clone_ptr();
+ return result;
+ }
+ @Override public long sign_gossip_message(long msg) {
+ org.ldk.structs.UnsignedGossipMessage msg_hu_conv = org.ldk.structs.UnsignedGossipMessage.constr_from_ptr(msg);
+ if (msg_hu_conv != null) { msg_hu_conv.ptrs_to.add(this); };
+ Result_SignatureNoneZ ret = arg.sign_gossip_message(msg_hu_conv);
+ Reference.reachabilityFence(arg);
+ long result = ret == null ? 0 : ret.clone_ptr();
+ return result;
+ }
+ });
+ return impl_holder.held;
+ }
+ /**
+ * Get secret key material as bytes for use in encrypting and decrypting inbound payment data.
+ *
+ * If the implementor of this trait supports [phantom node payments], then every node that is
+ * intended to be included in the phantom invoice route hints must return the same value from
+ * this method.
+ *
+ * This method must return the same value each time it is called.
+ *
+ * [phantom node payments]: PhantomKeysManager
+ */
+ public byte[] get_inbound_payment_key_material() {
+ byte[] ret = bindings.NodeSigner_get_inbound_payment_key_material(this.ptr);
+ Reference.reachabilityFence(this);
+ return ret;
+ }
+
+ /**
+ * Get node id based on the provided [`Recipient`].
+ *
+ * This method must return the same value each time it is called with a given [`Recipient`]
+ * parameter.
+ *
+ * Errors if the [`Recipient`] variant is not supported by the implementation.
+ */
+ public Result_PublicKeyNoneZ get_node_id(org.ldk.enums.Recipient recipient) {
+ long ret = bindings.NodeSigner_get_node_id(this.ptr, recipient);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(recipient);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ Result_PublicKeyNoneZ ret_hu_conv = Result_PublicKeyNoneZ.constr_from_ptr(ret);
+ return ret_hu_conv;
+ }
+
+ /**
+ * Gets the ECDH shared secret of our node secret and `other_key`, multiplying by `tweak` if
+ * one is provided. Note that this tweak can be applied to `other_key` instead of our node
+ * secret, though this is less efficient.
+ *
+ * Note that if this fails while attempting to forward an HTLC, LDK will panic. The error
+ * should be resolved to allow LDK to resume forwarding HTLCs.
+ *
+ * Errors if the [`Recipient`] variant is not supported by the implementation.
+ */
+ public Result_SharedSecretNoneZ ecdh(org.ldk.enums.Recipient recipient, byte[] other_key, org.ldk.structs.Option_ScalarZ tweak) {
+ long ret = bindings.NodeSigner_ecdh(this.ptr, recipient, InternalUtils.check_arr_len(other_key, 33), tweak.ptr);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(recipient);
+ Reference.reachabilityFence(other_key);
+ Reference.reachabilityFence(tweak);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ Result_SharedSecretNoneZ ret_hu_conv = Result_SharedSecretNoneZ.constr_from_ptr(ret);
+ if (this != null) { this.ptrs_to.add(tweak); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Sign an invoice.
+ *
+ * By parameterizing by the raw invoice bytes instead of the hash, we allow implementors of
+ * this trait to parse the invoice and make sure they're signing what they expect, rather than
+ * blindly signing the hash.
+ *
+ * The `hrp_bytes` are ASCII bytes, while the `invoice_data` is base32.
+ *
+ * The secret key used to sign the invoice is dependent on the [`Recipient`].
+ *
+ * Errors if the [`Recipient`] variant is not supported by the implementation.
+ */
+ public Result_RecoverableSignatureNoneZ sign_invoice(byte[] hrp_bytes, UInt5[] invoice_data, org.ldk.enums.Recipient recipient) {
+ long ret = bindings.NodeSigner_sign_invoice(this.ptr, hrp_bytes, invoice_data != null ? InternalUtils.convUInt5Array(invoice_data) : null, recipient);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(hrp_bytes);
+ Reference.reachabilityFence(invoice_data);
+ Reference.reachabilityFence(recipient);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ Result_RecoverableSignatureNoneZ ret_hu_conv = Result_RecoverableSignatureNoneZ.constr_from_ptr(ret);
+ return ret_hu_conv;
+ }
+
+ /**
+ * Sign a gossip message.
+ *
+ * Note that if this fails, LDK may panic and the message will not be broadcast to the network
+ * or a possible channel counterparty. If LDK panics, the error should be resolved to allow the
+ * message to be broadcast, as otherwise it may prevent one from receiving funds over the
+ * corresponding channel.
+ */
+ public Result_SignatureNoneZ sign_gossip_message(org.ldk.structs.UnsignedGossipMessage msg) {
+ long ret = bindings.NodeSigner_sign_gossip_message(this.ptr, msg.ptr);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(msg);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ Result_SignatureNoneZ ret_hu_conv = Result_SignatureNoneZ.constr_from_ptr(ret);
+ if (this != null) { this.ptrs_to.add(msg); };
+ return ret_hu_conv;
+ }
+
+}
projects / ldk-java / blobdiff