@ethereumjs/mpt/dist/cjs/util/hex.d.ts

Implementation of the modified merkle patricia tree as specified in Ethereum's yellow paper.

import type { Nibbles } from '../types.ts';
/**
 * Prepends hex prefix to an array of nibbles.
 * @param key - Array of nibbles
 * @returns returns buffer of encoded data
 **/
export declare function addHexPrefix(key: Nibbles, terminator: boolean): Nibbles;
/**
 * Removes hex prefix of an array of nibbles.
 * @param val - Array of nibbles
 * @private
 */
export declare function removeHexPrefix(val: Nibbles): Nibbles;
/**
 * Returns true if hex-prefixed path is for a terminating (leaf) node.
 * @param key - a hex-prefixed array of nibbles
 * @private
 */
export declare function isTerminator(key: Nibbles): boolean;
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