X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;ds=sidebyside;f=c_sharp%2Fsrc%2Forg%2Fldk%2Fstructs%2FHtlcKey.cs;fp=c_sharp%2Fsrc%2Forg%2Fldk%2Fstructs%2FHtlcKey.cs;h=c91c83a81788b3ebd811e012cf3296a0f19e13b5;hb=3d1f246d05172683acd3b81836de4e4e9f0c1afd;hp=0000000000000000000000000000000000000000;hpb=a32b8843c44637ebd82c83390d17db573b972153;p=ldk-java diff --git a/c_sharp/src/org/ldk/structs/HtlcKey.cs b/c_sharp/src/org/ldk/structs/HtlcKey.cs new file mode 100644 index 00000000..c91c83a8 --- /dev/null +++ b/c_sharp/src/org/ldk/structs/HtlcKey.cs @@ -0,0 +1,147 @@ +using org.ldk.impl; +using org.ldk.enums; +using org.ldk.util; +using System; + +namespace org { namespace ldk { namespace structs { + + +/** + * A derived key built from a [`HtlcBasepoint`] and `per_commitment_point`. + * + * HTLC keys are used to ensure only the recipient of an HTLC can claim it on-chain with the HTLC + * preimage and that only the sender of an HTLC can claim it on-chain after it has timed out. + * Thus, both channel counterparties' HTLC keys will appears in each HTLC output's script. + * + * [See the BOLT specs] + * (https://github.com/lightning/bolts/blob/master/03-transactions.md#localpubkey-local_htlcpubkey-remote_htlcpubkey-local_delayedpubkey-and-remote_delayedpubkey-derivation) + * for more information on key derivation details. + */ +public class HtlcKey : CommonBase { + internal HtlcKey(object _dummy, long ptr) : base(ptr) { } + ~HtlcKey() { + if (ptr != 0) { bindings.HtlcKey_free(ptr); } + } + + public byte[] get_a() { + long ret = bindings.HtlcKey_get_a(this.ptr); + GC.KeepAlive(this); + if (ret >= 0 && ret <= 4096) { return null; } + byte[] ret_conv = InternalUtils.decodeUint8Array(ret); + return ret_conv; + } + + public void set_a(byte[] val) { + bindings.HtlcKey_set_a(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(val, 33))); + GC.KeepAlive(this); + GC.KeepAlive(val); + } + + /** + * Constructs a new HtlcKey given each field + */ + public static HtlcKey of(byte[] a_arg) { + long ret = bindings.HtlcKey_new(InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(a_arg, 33))); + GC.KeepAlive(a_arg); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.HtlcKey ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.HtlcKey(null, ret); } + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(ret_hu_conv); }; + return ret_hu_conv; + } + + /** + * Checks if two HtlcKeys 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 bool eq(org.ldk.structs.HtlcKey b) { + bool ret = bindings.HtlcKey_eq(this.ptr, b == null ? 0 : b.ptr); + GC.KeepAlive(this); + GC.KeepAlive(b); + if (this != null) { this.ptrs_to.AddLast(b); }; + return ret; + } + + public override bool Equals(object o) { + if (!(o is HtlcKey)) return false; + return this.eq((HtlcKey)o); + } + internal long clone_ptr() { + long ret = bindings.HtlcKey_clone_ptr(this.ptr); + GC.KeepAlive(this); + return ret; + } + + /** + * Creates a copy of the HtlcKey + */ + public HtlcKey clone() { + long ret = bindings.HtlcKey_clone(this.ptr); + GC.KeepAlive(this); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.HtlcKey ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.HtlcKey(null, ret); } + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); }; + return ret_hu_conv; + } + + /** + * Derive a public htlcpubkey using one node\'s `per_commitment_point` and its countersignatory\'s `basepoint` + */ + public static HtlcKey from_basepoint(org.ldk.structs.HtlcBasepoint countersignatory_basepoint, byte[] per_commitment_point) { + long ret = bindings.HtlcKey_from_basepoint(countersignatory_basepoint == null ? 0 : countersignatory_basepoint.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(per_commitment_point, 33))); + GC.KeepAlive(countersignatory_basepoint); + GC.KeepAlive(per_commitment_point); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.HtlcKey ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.HtlcKey(null, ret); } + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(ret_hu_conv); }; + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(countersignatory_basepoint); }; + return ret_hu_conv; + } + + /** + * Build a htlcpubkey directly from an already-derived private key + */ + public static HtlcKey from_secret_key(byte[] sk) { + long ret = bindings.HtlcKey_from_secret_key(InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(sk, 32))); + GC.KeepAlive(sk); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.HtlcKey ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.HtlcKey(null, ret); } + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(ret_hu_conv); }; + return ret_hu_conv; + } + + /** + * Get inner Public Key + */ + public byte[] to_public_key() { + long ret = bindings.HtlcKey_to_public_key(this.ptr); + GC.KeepAlive(this); + if (ret >= 0 && ret <= 4096) { return null; } + byte[] ret_conv = InternalUtils.decodeUint8Array(ret); + return ret_conv; + } + + /** + * Serialize the HtlcKey object into a byte array which can be read by HtlcKey_read + */ + public byte[] write() { + long ret = bindings.HtlcKey_write(this.ptr); + GC.KeepAlive(this); + if (ret >= 0 && ret <= 4096) { return null; } + byte[] ret_conv = InternalUtils.decodeUint8Array(ret); + return ret_conv; + } + + /** + * Read a HtlcKey from a byte array, created by HtlcKey_write + */ + public static Result_HtlcKeyDecodeErrorZ read(byte[] ser) { + long ret = bindings.HtlcKey_read(InternalUtils.encodeUint8Array(ser)); + GC.KeepAlive(ser); + if (ret >= 0 && ret <= 4096) { return null; } + Result_HtlcKeyDecodeErrorZ ret_hu_conv = Result_HtlcKeyDecodeErrorZ.constr_from_ptr(ret); + return ret_hu_conv; + } + +} +} } }