lightningdevkit/structs/DelayedPaymentBasepoint.d.mts

Lightning Development Kit

import { Result_DelayedPaymentBasepointDecodeErrorZ } from '../structs/Result_DelayedPaymentBasepointDecodeErrorZ.mjs';
import { CommonBase } from './CommonBase.mjs';
/**
 * Base key used in conjunction with a `per_commitment_point` to generate a [`DelayedPaymentKey`].
 *
 * The delayed payment key is used to pay the commitment state broadcaster their
 * non-HTLC-encumbered funds after a delay to give their counterparty a chance to punish if the
 * state broadcasted was previously revoked.
 */
export declare class DelayedPaymentBasepoint extends CommonBase {
    get_a(): Uint8Array;
    set_a(val: Uint8Array): void;
    /**
     * Constructs a new DelayedPaymentBasepoint given each field
     */
    static constructor_new(a_arg: Uint8Array): DelayedPaymentBasepoint;
    /**
     * Checks if two DelayedPaymentBasepoints 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.
     */
    eq(b: DelayedPaymentBasepoint): boolean;
    clone_ptr(): bigint;
    /**
     * Creates a copy of the DelayedPaymentBasepoint
     */
    clone(): DelayedPaymentBasepoint;
    /**
     * Generates a non-cryptographic 64-bit hash of the DelayedPaymentBasepoint.
     */
    hash(): bigint;
    /**
     * Get inner Public Key
     */
    to_public_key(): Uint8Array;
    /**
     * Derives the \"tweak\" used in calculate [`DelayedPaymentKey::from_basepoint`].\n\n[`DelayedPaymentKey::from_basepoint`] calculates a private key as:\n`privkey = basepoint_secret + SHA256(per_commitment_point || basepoint)`\n\nThis calculates the hash part in the tweak derivation process, which is used to\nensure that each key is unique and cannot be guessed by an external party.
     */
    derive_add_tweak(per_commitment_point: Uint8Array): Uint8Array;
    /**
     * Serialize the DelayedPaymentBasepoint object into a byte array which can be read by DelayedPaymentBasepoint_read
     */
    write(): Uint8Array;
    /**
     * Read a DelayedPaymentBasepoint from a byte array, created by DelayedPaymentBasepoint_write
     */
    static constructor_read(ser: Uint8Array): Result_DelayedPaymentBasepointDecodeErrorZ;
}