ethers.js/src.ts/crypto/ripemd160.ts

import { ripemd160 as noble_ripemd160 } from "@noble/hashes/ripemd160";

import { getBytes,  hexlify } from "../utils/index.js";

import type { BytesLike } from "../utils/index.js";


let locked = false;

const _ripemd160 = function(data: Uint8Array): Uint8Array {
    return noble_ripemd160(data);
}

let __ripemd160: (data: Uint8Array) => BytesLike = _ripemd160;

/**
 *  Compute the cryptographic RIPEMD-160 hash of %%data%%.
 *
 *  @_docloc: api/crypto:Hash Functions
 *  @returns DataHexstring
 *
 *  @example:
 *    ripemd160("0x")
 *    //_result:
 *
 *    ripemd160("0x1337")
 *    //_result:
 *
 *    ripemd160(new Uint8Array([ 0x13, 0x37 ]))
 *    //_result:
 *
 */
export function ripemd160(_data: BytesLike): string {
    const data = getBytes(_data, "data");
    return hexlify(__ripemd160(data));
}
ripemd160._ = _ripemd160;
ripemd160.lock = function(): void { locked = true; }
ripemd160.register = function(func: (data: Uint8Array) => BytesLike) {
    if (locked) { throw new TypeError("ripemd160 is locked"); }
    __ripemd160 = func;
}
Object.freeze(ripemd160);