lightningdevkit/structs/ExpandedKey.mjs

Lightning Development Kit

import { CommonBase } from './CommonBase.mjs';
import * as bindings from '../bindings.mjs';
/**
 * A set of keys that were HKDF-expanded. Returned by [`NodeSigner::get_inbound_payment_key`].
 *
 * [`NodeSigner::get_inbound_payment_key`]: crate::sign::NodeSigner::get_inbound_payment_key
 */
export class ExpandedKey extends CommonBase {
    /* @internal */
    constructor(_dummy, ptr) {
        super(ptr, bindings.ExpandedKey_free);
    }
    /**
     * Generates a non-cryptographic 64-bit hash of the ExpandedKey.
     */
    hash() {
        const ret = bindings.ExpandedKey_hash(this.ptr);
        return ret;
    }
    clone_ptr() {
        const ret = bindings.ExpandedKey_clone_ptr(this.ptr);
        return ret;
    }
    /**
     * Creates a copy of the ExpandedKey
     */
    clone() {
        const ret = bindings.ExpandedKey_clone(this.ptr);
        const ret_hu_conv = new ExpandedKey(null, ret);
        CommonBase.add_ref_from(ret_hu_conv, this);
        return ret_hu_conv;
    }
    /**
     * Checks if two ExpandedKeys 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) {
        const ret = bindings.ExpandedKey_eq(this.ptr, CommonBase.get_ptr_of(b));
        CommonBase.add_ref_from(this, b);
        return ret;
    }
    /**
     * Create a  new [`ExpandedKey`] for generating an inbound payment hash and secret.
     *
     * It is recommended to cache this value and not regenerate it for each new inbound payment.
     */
    static constructor_new(key_material) {
        const ret = bindings.ExpandedKey_new(bindings.encodeUint8Array(key_material));
        const ret_hu_conv = new ExpandedKey(null, ret);
        CommonBase.add_ref_from(ret_hu_conv, ret_hu_conv);
        return ret_hu_conv;
    }
}
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